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The States Reorganisation act, 1956 was a major reform of the boundaries of India's states and territories, organising them along linguistic lines. Although additional changes to India's state boundaries have been made since 1956, the States Reorganisation Act of 1956 remains the single most extensive change in state boundaries after the independence of India. The Act came into effect at the same time as the Constitution (Seventh Amendment) Act, 1956, which (among other things) restructured the constitutional framework for India's existing states and the requirements to pass the States Reorganisation Act, 1956 under the provisions of Part I of the
Constitution of India The Constitution of India ( IAST: ) is the supreme law of India. The document lays down the framework that demarcates fundamental political code, structure, procedures, powers, and duties of government institutions and sets out fundamental ...
, Article 3.


Political integration after independence and the Constitution of 1950

British India The provinces of India, earlier presidencies of British India and still earlier, presidency towns, were the administrative divisions of British governance on the Indian subcontinent. Collectively, they have been called British India. In one ...
, which included present-day
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
,
Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...
,
Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mo ...
and
Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...
, was divided into two types of territories: the Provinces of British India, which were governed directly by British officials responsible to the
Governor-General of India The Governor-General of India (1773–1950, from 1858 to 1947 the Viceroy and Governor-General of India, commonly shortened to Viceroy of India) was the representative of the monarch of the United Kingdom and after Indian independence in 1 ...
; and the Indian States, under the rule of local hereditary rulers who recognized British
suzerainty Suzerainty () is the rights and obligations of a person, state or other polity who controls the foreign policy and relations of a tributary state, while allowing the tributary state to have internal autonomy. While the subordinate party is ca ...
in return for continued authority over their own realms, in most cases as established by treaty. As a result of the reforms of the early 20th century, most of the British provinces had directly elected legislatures as well as governors, although some of the smaller provinces were governed by a chief commissioner appointed by the Governor-General. Major reforms put forward by the British in the 1930s also recognized the principle of federalism, which was carried forward into the governance of independent India. On 15 August 1947, British India was granted independence as the separate
dominion The term ''Dominion'' is used to refer to one of several self-governing nations of the British Empire. "Dominion status" was first accorded to Canada, Australia, New Zealand, Newfoundland, South Africa, and the Irish Free State at the 1926 ...
s of
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
and
Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...
. The British dissolved their treaty relations with more than five hundred princely states, who were encouraged to accede to either India or Pakistan, while under no compulsion to do so. Most of the states acceded to India, and a few to Pakistan.
Bhutan Bhutan (; dz, འབྲུག་ཡུལ་, Druk Yul ), officially the Kingdom of Bhutan,), is a landlocked country in South Asia. It is situated in the Eastern Himalayas, between China in the north and India in the south. A mountainou ...
,
Hyderabad Hyderabad ( ; , ) is the capital and largest city of the Indian state of Telangana and the ''de jure'' capital of Andhra Pradesh. It occupies on the Deccan Plateau along the banks of the Musi River, in the northern part of Southern Indi ...
and
Kashmir Kashmir () is the northernmost geographical region of the Indian subcontinent. Until the mid-19th century, the term "Kashmir" denoted only the Kashmir Valley between the Great Himalayas and the Pir Panjal Range. Today, the term encompas ...
opted for independence; Bhutan remains independent, but Hyderabad was invaded and annexed by India, and the status of Kashmir became the subject of conflict between India and Pakistan. Between 1947 and about 1950, the territories of the princely states were politically integrated into the Indian Union. Several states were merged into existing provinces; others were organized into unions, such as Rajputana,
Himachal Pradesh Himachal Pradesh (; ; "Snow-laden Mountain Province") is a state in the northern part of India. Situated in the Western Himalayas, it is one of the thirteen mountain states and is characterized by an extreme landscape featuring several pea ...
, Madhya Bharat, and Vindhya Pradesh, made up of multiple princely states; a few, including
Mysore Mysore (), officially Mysuru (), is a city in the southern part of the state of Karnataka, India. Mysore city is geographically located between 12° 18′ 26″ north latitude and 76° 38′ 59″ east longitude. It is located at an altitude o ...
,
Hyderabad Hyderabad ( ; , ) is the capital and largest city of the Indian state of Telangana and the ''de jure'' capital of Andhra Pradesh. It occupies on the Deccan Plateau along the banks of the Musi River, in the northern part of Southern Indi ...
,
Bhopal Bhopal (; ) is the capital city of the Indian state of Madhya Pradesh and the administrative headquarters of both Bhopal district and Bhopal division. It is known as the ''City of Lakes'' due to its various natural and artificial lakes. It i ...
, and Bilaspur, remained separate states. The Government of India Act 1935 remained the constitutional law of India pending adoption of a new Constitution. The new
Constitution of India The Constitution of India ( IAST: ) is the supreme law of India. The document lays down the framework that demarcates fundamental political code, structure, procedures, powers, and duties of government institutions and sets out fundamental ...
, which came into force on 26 January 1950, made India a sovereign democratic republic. The new republic was also declared to be a "Union of States". The constitution of 1950 distinguished between three main types of states and a class of territories: * Part A states – which were the former governors' provinces of British India, were ruled by a governor appointed by the president and an elected state legislature. The nine Part A states were
Assam Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of . The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur ...
,
Bihar Bihar (; ) is a state in eastern India. It is the 2nd largest state by population in 2019, 12th largest by area of , and 14th largest by GDP in 2021. Bihar borders Uttar Pradesh to its west, Nepal to the north, the northern part of West ...
,
Bombay Mumbai (, ; also known as Bombay — List of renamed Indian cities and states#Maharashtra, the official name until 1995) is the capital city of the Indian States and union territories of India, state of Maharashtra and the ''de facto'' fin ...
,
Madhya Pradesh Madhya Pradesh (, ; meaning 'central province') is a state in central India. Its capital is Bhopal, and the largest city is Indore, with Jabalpur, Ujjain, Gwalior, Sagar, and Rewa being the other major cities. Madhya Pradesh is the second ...
(formerly Central Provinces and Berar),
Madras Chennai (, ), formerly known as Madras ( the official name until 1996), is the capital city of Tamil Nadu, the southernmost Indian state. The largest city of the state in area and population, Chennai is located on the Coromandel Coast of th ...
,
Orissa Odisha (English: , ), formerly Orissa ( the official name until 2011), is an Indian state located in Eastern India. It is the 8th largest state by area, and the 11th largest by population. The state has the third largest population of S ...
,
Punjab Punjab (; Punjabi Language, Punjabi: پنجاب ; ਪੰਜਾਬ ; ; also Romanization, romanised as ''Panjāb'' or ''Panj-Āb'') is a geopolitical, cultural, and historical region in South Asia, specifically in the northern part of the I ...
(formerly East Punjab),
Uttar Pradesh Uttar Pradesh (; , 'Northern Province') is a state in northern India. With over 200 million inhabitants, it is the most populated state in India as well as the most populous country subdivision in the world. It was established in 195 ...
(formerly the United Provinces), and
West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fou ...
. * Part B states – which were former princely states or unions of princely states, governed by a rajpramukh, who was usually the ruler of a constituent state, and an elected legislature. The raj Pramukh was appointed by the
President of India The president of India ( IAST: ) is the head of state of the Republic of India. The president is the nominal head of the executive, the first citizen of the country, as well as the commander-in-chief of the Indian Armed Forces. Droupadi Murm ...
. The eight Part B states were
Hyderabad Hyderabad ( ; , ) is the capital and largest city of the Indian state of Telangana and the ''de jure'' capital of Andhra Pradesh. It occupies on the Deccan Plateau along the banks of the Musi River, in the northern part of Southern Indi ...
,
Jammu and Kashmir Jammu and Kashmir may refer to: * Kashmir, the northernmost geographical region of the Indian subcontinent * Jammu and Kashmir (union territory), a region administered by India as a union territory * Jammu and Kashmir (state), a region administered ...
, Madhya Bharat,
Mysore Mysore (), officially Mysuru (), is a city in the southern part of the state of Karnataka, India. Mysore city is geographically located between 12° 18′ 26″ north latitude and 76° 38′ 59″ east longitude. It is located at an altitude o ...
,
Patiala and East Punjab States Union Patiala () is a city in southeastern Punjab, northwestern India. It is the fourth largest city in the state and is the administrative capital of Patiala district. Patiala is located around the ''Qila Mubarak'' (the 'Fortunate Castle') constructe ...
(PEPSU),
Rajasthan Rajasthan (; lit. 'Land of Kings') is a state in northern India. It covers or 10.4 per cent of India's total geographical area. It is the largest Indian state by area and the seventh largest by population. It is on India's northwestern ...
, Saurashtra, and Travancore-Cochin. * Part C states – included both the former chief commissioners' provinces and some princely states, and each was governed by a chief commissioner appointed by the President of India. The ten Part C states were
Ajmer Ajmer is one of the major and oldest cities in the Indian state of Rajasthan and the centre of the eponymous Ajmer District. It is located at the centre of Rajasthan. It is also known as heart of Rajasthan. The city was established as "' ...
,
Bhopal Bhopal (; ) is the capital city of the Indian state of Madhya Pradesh and the administrative headquarters of both Bhopal district and Bhopal division. It is known as the ''City of Lakes'' due to its various natural and artificial lakes. It i ...
, Bilaspur,
Coorg Kodagu (also known by its former name Coorg) is an administrative district in the Karnataka state of India. Before 1956, it was an administratively separate Coorg State, at which point it was merged into an enlarged Mysore State. It occupies ...
,
Delhi Delhi, officially the National Capital Territory (NCT) of Delhi, is a city and a union territory of India containing New Delhi, the capital of India. Straddling the Yamuna river, primarily its western or right bank, Delhi shares borders w ...
,
Himachal Pradesh Himachal Pradesh (; ; "Snow-laden Mountain Province") is a state in the northern part of India. Situated in the Western Himalayas, it is one of the thirteen mountain states and is characterized by an extreme landscape featuring several pea ...
, Cutch,
Manipur Manipur () ( mni, Kangleipak) is a state in Northeast India, with the city of Imphal as its capital. It is bounded by the Indian states of Nagaland to the north, Mizoram to the south and Assam to the west. It also borders two regions of ...
, Tripura, and Vindhya Pradesh. * The sole Part D territory – was the
Andaman and Nicobar Islands The Andaman and Nicobar Islands is a union territory of India consisting of 572 islands, of which 37 are inhabited, at the junction of the Bay of Bengal and the Andaman Sea. The territory is about north of Aceh in Indonesia and separated f ...
, which was administered by a lieutenant governor appointed by the central government. In this classifications, Part A states had a ''Governor'', Part B states had a '' Rajpramukh'' and Part C states had a ''commissioner''.


Movement for linguistic states

The demand for states to be organized on a linguistic basis was developed even before India achieved independence from British rule. A first-of-its-kind linguistic movement started in 1895, in what is now
Odisha Odisha (English: , ), formerly Orissa ( the official name until 2011), is an Indian state located in Eastern India. It is the 8th largest state by area, and the 11th largest by population. The state has the third largest population of ...
. The movement gained momentum in later years with the demand for a separate
Orissa Province Orissa Province was a province of British India created in April 1936 by the partitioning of the Bihar and Orissa Province. Its territory corresponds with the modern-day State of Odisha. On 22 March 1912, both Bihar and Orissa divisions were ...
to be formed by bifurcating the existing Bihar and Orissa Province. Due to the efforts of Madhusudan Das, the Father of Odia nationalism, the movement eventually achieved its objective in 1936, when
Orissa Province Orissa Province was a province of British India created in April 1936 by the partitioning of the Bihar and Orissa Province. Its territory corresponds with the modern-day State of Odisha. On 22 March 1912, both Bihar and Orissa divisions were ...
became the first Indian state (pre-independence) to be organized on the basis of common languages. The post-independence period saw the ascent of political movements for the creation of new states developed on linguistic lines. The movement to create a
Telugu Telugu may refer to: * Telugu language, a major Dravidian language of India *Telugu people, an ethno-linguistic group of India * Telugu script, used to write the Telugu language ** Telugu (Unicode block), a block of Telugu characters in Unicode ...
-speaking state out of the northern portion of
Madras State Madras State was a state of India during the mid-20th century. At the time of its formation in 1950, it included the whole of present-day Tamil Nadu (except Kanyakumari district), Coastal Andhra, Rayalaseema, the Malabar region of North and ...
gathered strength in the years after independence, and in 1953, the sixteen northern Telugu-speaking districts of Madras State became the new State of Andhra. During the 1950–1956 period, other small changes were made to state boundaries: the small state of Bilaspur was merged with Himachal Pradesh on 1 July 1954; and Chandernagore, a former
enclave An enclave is a territory (or a small territory apart of a larger one) that is entirely surrounded by the territory of one other state or entity. Enclaves may also exist within territorial waters. ''Enclave'' is sometimes used improperly to deno ...
of French India, was incorporated into
West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fou ...
in 1955.


States Reorganisation Commission

The States Reorganisation Commission was preceded by the Linguistic Provinces Commission (aka Dhar Commission), which was set up in June 1948. It rejected language as a parameter for dividing states. Later, Prime Minister
Jawaharlal Nehru Pandit Jawaharlal Nehru (; ; ; 14 November 1889 – 27 May 1964) was an Indian Anti-colonial nationalism, anti-colonial nationalist, secular humanist, social democrat— * * * * and author who was a central figure in India du ...
appointed the States Reorganisation Commission in December 1953, with the remit to reorganise the Indian states. The new commission was headed by the retired Chief Justice of the Supreme Court,
Fazal Ali Sir Saiyid Fazl Ali OBE (19 September 1886 – 22 August 1959) was an Indian judge, the governor of two Indian states (Assam and Odisha), and the head of the States Reorganisation Commission which determined the boundaries of several Indian sta ...
; its other two members were H. N. Kunzru and
K. M. Panikkar Kavalam Madhava Panikkar (3 June 1895 – 10 December 1963), popularly known as Sardar K. M. Panikkar, was an Indian statesman and diplomat. He was also a professor, newspaper editor, historian and novelist. He was born in Travancore, then a ...
. The efforts of the commission were overseen by Govind Ballabh Pant, who served as the Home Minister from December 1954. The States Reorganisation Commission submitted a report on September 30, 1955, with recommendations for the reorganisation of India's states, which was then debated by the Indian parliament. Subsequently, bills were passed to make changes to the constitution and to administer the reorganisation of the states.


Related changes by other legislation

The States Reorganisation Act was enacted on 31 August 1956. Before it came into effect on 1 November, an important amendment was made to the Constitution of India. Under the Seventh Amendment, the existing terminology of Part A, Part B, Part C, and Part D states was altered. The distinction between Part A and Part B states was removed, becoming known simply as "states". A new type of entity, the Union Territory, replaced the classification as a Part C or Part D state. A further Act also came into effect on 1 November, transferring certain territories from
Bihar Bihar (; ) is a state in eastern India. It is the 2nd largest state by population in 2019, 12th largest by area of , and 14th largest by GDP in 2021. Bihar borders Uttar Pradesh to its west, Nepal to the north, the northern part of West ...
to
West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fou ...
.


Effect of the changes

The States Reorganisation Act of 1956 was a major step towards dividing India into states and Union Territories. The following list sets out the states and union territories of India as reorganised on 1 November 1956:


States

#
Andhra Pradesh Andhra Pradesh (, abbr. AP) is a state in the south-eastern coastal region of India. It is the seventh-largest state by area covering an area of and tenth-most populous state with 49,386,799 inhabitants. It is bordered by Telangana to the ...
: formed by the merger of Andhra State (1953–56) with the Telugu-speaking areas of Hyderabad State (1948–56). #
Assam Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of . The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur ...
: The adjoining map depicts the scenario according to States Reorganisation Act of 1956. However, the state of Assam has been further divided into
Arunachal Pradesh Arunachal Pradesh (, ) is a state in Northeastern India. It was formed from the erstwhile North-East Frontier Agency (NEFA) region, and became a state on 20 February 1987. It borders the states of Assam and Nagaland to the south. It shares ...
,
Mizoram Mizoram () is a state in Northeast India, with Aizawl as its seat of government and capital city. The name of the state is derived from "Mizo", the self-described name of the native inhabitants, and "Ram", which in the Mizo language means "lan ...
,
Nagaland Nagaland () is a landlocked state in the northeastern region of India. It is bordered by the Indian states of Arunachal Pradesh to the north, Assam to the west, Manipur to the south and the Sagaing Region of Myanmar to the east. Its capital cit ...
,
Meghalaya Meghalaya (, or , meaning "abode of clouds"; from Sanskrit , "cloud" + , "abode") is a state in northeastern India. Meghalaya was formed on 21 January 1972 by carving out two districts from the state of Assam: (a) the United Khasi Hills and J ...
(not in chronological order) in subsequent years. #
Bihar Bihar (; ) is a state in eastern India. It is the 2nd largest state by population in 2019, 12th largest by area of , and 14th largest by GDP in 2021. Bihar borders Uttar Pradesh to its west, Nepal to the north, the northern part of West ...
: reduced slightly by the transfer of minor territories to
West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fou ...
(
Purulia Purulia is a city and a municipality in the Indian state of West Bengal. It is the headquarters of the Purulia district. It is located on the north of the Kangsabati River. Geography Location Purulia is located at . It has an average elev ...
from Manbhum district, Islampur from
Purnea district Purnia District is one of the thirty-eight districts of the Indian state of Bihar. The city of Purnia is the administrative headquarters of this district. The city of Purnia has continued its tradition of hoisting the national flag at 12:07 am ...
). #
Bombay State Bombay State was a large Indian state created at the time of India's Independence, with other regions being added to it in the succeeding years. Bombay Presidency (roughly equating to the present-day Indian state of Maharashtra, excluding So ...
: the state was enlarged by the addition of
Saurashtra State Saurashtra, also known as United State of Kathiawar, was a State of India that existed between 1948 and 1956, on Saurashtra alias Kathiawar peninsula, with Rajkot as its capital, History Formation as United State of Kathiawar Saurashtra ...
and
Kutch State Kutch State was a state within India from 1947 to 1956. Its capital was Bhuj. The state's territory now forms a Kachchh district within the Indian state of Gujarat. History Kutch State was formed out of the territory of the former prince ...
, the Marathi-speaking districts of
Berar Division The Berar Division, formerly Berar Province, was one of the former administrative divisions of the Central Provinces and Berar of British India. Ellichpur (Achalpur) was the capital and the administrative headquarters of the division. The Bera ...
and Nagpur Division of Central Province and Berar and Marathwada region of Hyderabad State. The southernmost districts of the
Bombay Presidency The Bombay Presidency or Bombay Province, also called Bombay and Sind (1843–1936), was an administrative subdivision (province) of British India, with its capital in the city that came up over the seven islands of Bombay. The first mainl ...
were transferred to Mysore State. #
Jammu and Kashmir Jammu and Kashmir may refer to: * Kashmir, the northernmost geographical region of the Indian subcontinent * Jammu and Kashmir (union territory), a region administered by India as a union territory * Jammu and Kashmir (state), a region administered ...
: No change of boundary in 1956. #
Kerala Kerala ( ; ) is a state on the Malabar Coast of India. It was formed on 1 November 1956, following the passage of the States Reorganisation Act, by combining Malayalam-speaking regions of the erstwhile regions of Cochin, Malabar, South Ca ...
: formed by the merger of Travancore-Cochin state with the
Malabar district Malabar District, also known as Malayalam District, was an administrative district on the southwestern Malabar Coast of Bombay Presidency (1792-1800) and Madras Presidency (1800-1947) in British India, and independent India's Madras State (19 ...
and Kasaragod taluk of
South Canara South Canara was a district of the Madras Presidency of British India, located at . It comprised the towns of Kassergode and Udipi and adjacent villages, with the capital in Mangalore city. South Canara was one of the most heterogeneous areas ...
district of the
Madras Presidency The Madras Presidency, or the Presidency of Fort St. George, also known as Madras Province, was an administrative subdivision (presidency) of British India. At its greatest extent, the presidency included most of southern India, including the ...
. The southern part of Travancore-Cochin, Kanyakumari district, along with Sengottai Taluk, was transferred to Madras State. The Laccadive and
Minicoy Minicoy, locally known as Maliku (), is an island in Lakshadweep, India. Along with Viringili, it is on ''Maliku atoll'', the southernmost atoll of Lakshadweep archipelago. Administratively, it is a census town in the Indian union territory o ...
Islands were separated from
Malabar District Malabar District, also known as Malayalam District, was an administrative district on the southwestern Malabar Coast of Bombay Presidency (1792-1800) and Madras Presidency (1800-1947) in British India, and independent India's Madras State (19 ...
to form a new Union Territory namely Laccadive, Amindivi, and
Minicoy Minicoy, locally known as Maliku (), is an island in Lakshadweep, India. Along with Viringili, it is on ''Maliku atoll'', the southernmost atoll of Lakshadweep archipelago. Administratively, it is a census town in the Indian union territory o ...
Islands. #
Madhya Pradesh Madhya Pradesh (, ; meaning 'central province') is a state in central India. Its capital is Bhopal, and the largest city is Indore, with Jabalpur, Ujjain, Gwalior, Sagar, and Rewa being the other major cities. Madhya Pradesh is the second ...
: Madhya Bharat, Vindhya Pradesh, and
Bhopal State Bhopal State (pronounced ) was an Islamic principality founded in the beginning of 18th-century India by the Afghan Mughal noble Dost Muhammad Khan. It was a tributary state during 18th century, a princely salute state with 19-gun salute ...
were merged into Madhya Pradesh; the Marathi-speaking districts of Nagpur Division were transferred to Bombay State. #
Madras State Madras State was a state of India during the mid-20th century. At the time of its formation in 1950, it included the whole of present-day Tamil Nadu (except Kanyakumari district), Coastal Andhra, Rayalaseema, the Malabar region of North and ...
:
Malabar District Malabar District, also known as Malayalam District, was an administrative district on the southwestern Malabar Coast of Bombay Presidency (1792-1800) and Madras Presidency (1800-1947) in British India, and independent India's Madras State (19 ...
was transferred to the new state of
Kerala Kerala ( ; ) is a state on the Malabar Coast of India. It was formed on 1 November 1956, following the passage of the States Reorganisation Act, by combining Malayalam-speaking regions of the erstwhile regions of Cochin, Malabar, South Ca ...
, and a new union territory, Laccadive, Minicoy and Amindivi Islands, was created. The southern part of Travancore-Cochin, Kanyakumari district, along with Sengottai Taluk, was added to the state. # Mysore State: enlarged by the addition of
Coorg State Coorg State was a Part-C state in India which existed from 1950 to 1956. When the Constitution of India came into force on 26 January 1950, most of the existing provinces were reconstituted into states. Thus, Coorg Province became Coorg State. ...
and the
Kannada Kannada (; ಕನ್ನಡ, ), originally romanised Canarese, is a Dravidian language spoken predominantly by the people of Karnataka in southwestern India, with minorities in all neighbouring states. It has around 47 million native s ...
speaking districts from western
Madras Presidency The Madras Presidency, or the Presidency of Fort St. George, also known as Madras Province, was an administrative subdivision (presidency) of British India. At its greatest extent, the presidency included most of southern India, including the ...
, southern
Bombay Presidency The Bombay Presidency or Bombay Province, also called Bombay and Sind (1843–1936), was an administrative subdivision (province) of British India, with its capital in the city that came up over the seven islands of Bombay. The first mainl ...
and western Hyderabad State. #
Orissa Odisha (English: , ), formerly Orissa ( the official name until 2011), is an Indian state located in Eastern India. It is the 8th largest state by area, and the 11th largest by population. The state has the third largest population of S ...
: No change of boundary in 1956. #
Punjab Punjab (; Punjabi Language, Punjabi: پنجاب ; ਪੰਜਾਬ ; ; also Romanization, romanised as ''Panjāb'' or ''Panj-Āb'') is a geopolitical, cultural, and historical region in South Asia, specifically in the northern part of the I ...
: enlarged by addition of the
Patiala and East Punjab States Union Patiala () is a city in southeastern Punjab, northwestern India. It is the fourth largest city in the state and is the administrative capital of Patiala district. Patiala is located around the ''Qila Mubarak'' (the 'Fortunate Castle') constructe ...
. #
Rajasthan Rajasthan (; lit. 'Land of Kings') is a state in northern India. It covers or 10.4 per cent of India's total geographical area. It is the largest Indian state by area and the seventh largest by population. It is on India's northwestern ...
: enlarged by the addition of
Ajmer Ajmer is one of the major and oldest cities in the Indian state of Rajasthan and the centre of the eponymous Ajmer District. It is located at the centre of Rajasthan. It is also known as heart of Rajasthan. The city was established as "' ...
state and parts of Bombay and Madhya Bharat states. #
Uttar Pradesh Uttar Pradesh (; , 'Northern Province') is a state in northern India. With over 200 million inhabitants, it is the most populated state in India as well as the most populous country subdivision in the world. It was established in 195 ...
: No change of boundary in 1956. #
West Bengal West Bengal (, Bengali: ''Poshchim Bongo'', , abbr. WB) is a state in the eastern portion of India. It is situated along the Bay of Bengal, along with a population of over 91 million inhabitants within an area of . West Bengal is the fou ...
: enlarged by addition of
Purulia Purulia is a city and a municipality in the Indian state of West Bengal. It is the headquarters of the Purulia district. It is located on the north of the Kangsabati River. Geography Location Purulia is located at . It has an average elev ...
district, previously part of Bihar.


Union territories

The Part C and Part D territories that weren't merged into other states, were converted into Union Territories: #
Andaman and Nicobar Islands The Andaman and Nicobar Islands is a union territory of India consisting of 572 islands, of which 37 are inhabited, at the junction of the Bay of Bengal and the Andaman Sea. The territory is about north of Aceh in Indonesia and separated f ...
#
Delhi Delhi, officially the National Capital Territory (NCT) of Delhi, is a city and a union territory of India containing New Delhi, the capital of India. Straddling the Yamuna river, primarily its western or right bank, Delhi shares borders w ...
#
Manipur Manipur () ( mni, Kangleipak) is a state in Northeast India, with the city of Imphal as its capital. It is bounded by the Indian states of Nagaland to the north, Mizoram to the south and Assam to the west. It also borders two regions of ...
# Tripura #
Himachal Pradesh Himachal Pradesh (; ; "Snow-laden Mountain Province") is a state in the northern part of India. Situated in the Western Himalayas, it is one of the thirteen mountain states and is characterized by an extreme landscape featuring several pea ...
# Laccadive, Minicoy & Amindivi Islands


See also

*
Unification of Karnataka The Unification of Karnataka refers to the formation of the Indian state of Karnataka (then named Mysore State) in 1956 when several Indian states were created by redrawing borders based on linguistic demographics. Decades earlier, during Brit ...
*
Punjab Reorganisation Act, 1966 The Punjab Reorganisation Act was passed by the Indian Parliament on 18 September 1966, dissolving the former state of East Punjab. Out of the former East Punjab, the modern state of Punjab was created, the new state of Haryana was created; ...
* Bihar Reorganisation Act, 2000 *
Madhya Pradesh Reorganisation Act, 2000 Madhya Pradesh Reorganisation Act, 2000 is an Act of the Parliament of India which enabled the creation of Chhattisgarh state out of Madhya Pradesh. The law was introduced by the NDA government headed by Prime Minister Vajpayee to fulfil its ...
* Uttar Pradesh Reorganisation Act, 2000 *
Andhra Pradesh Reorganisation Act, 2014 The Andhra Pradesh Reorganisation Act of 2014, commonly known as the Telangana Act, is an Act of Indian Parliament that bifurcated the state of Andhra Pradesh into Telangana and the residuary Andhra Pradesh state, as an outcome of the Telang ...
* Himachal Pradesh Reorganisation Act, 1970 * List of proposed states and territories of India *
Administrative divisions of India The administrative divisions of India are subnational administrative units of India; they are composed of a nested hierarchy of administrative divisions. Indian states and territories frequently use different local titles for the same level ...
*
States and union territories of India India is a federal union comprising 28 states and 8 union territories, with a total of 36 entities. The states and union territories are further subdivided into districts and smaller administrative divisions. History Pre-indep ...
*
Political integration of India After the Indian independence in 1947, the dominion of India was divided into two sets of territories, one under direct British rule, and the other under the suzerainty of the British Crown, with control over their internal affairs remainin ...
* Union Territory * Indian Constitution * Partition of India * Jammu and Kashmir Reorganisation Act, 2019


Notes


References

{{reflist, 30em


External links


Text of the Act
1956 in India Nehru administration Reorganisation of Indian states