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Cellone
BSNL Mobile is an Indian state-owned telecommunication company of the Government of India. BSNL Mobile operates under the BSNL brand and provides wireless cellular services to B2B, B2C, & B2G segments in India. BSNL Mobile has a pan-India presence with presence in all the 22 telecom circles in India. As of 30 June 2024, BSNL Mobile has a subscriber base of 85.77 million, making it 4th largest mobile telecommunications network in India and 25th largest mobile telecommunications network in the world. History Bharat Sanchar Nigam Limited (BSNL) was incorporated on 15 September 2000. It took over the business of providing telecom services and network management from the erstwhile Central Government Departments of Telecom Services (DTS) and Telecom Operations (DTO), with effect from 1 October 2000 on a going concern basis, in early days it was known as CellOne for GSM mobile services, CellOne for Postpaid services & Excel for Prepaid Services. BSNL's network (GSM/ GPRS) was ...
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Public Sector Undertakings In India
Public Sector Undertakings (PSU) in India are government-owned entities in which at least 51% of stake is under the ownership of the Government of India or state governments. These types of firms can also be a joint venture of multiple PSUs. These entities perform commercial functions on behalf of the government. Depending on the level of government ownership, PSUs are officially classified into two categories: Central Public Sector Undertakings (CPSUs), owned by the central government or other CPSUs; and State Public Sector Undertakings (SPSUs), owned by state governments. CPSU and SPSU is further classified into Strategic Sector and Non-Strategic Sector. Depending on their financial performance and progress, CPSUs are granted the status of Maharatna, Navaratna, and Miniratna (Category I and II). Following India's independence in 1947, the limited pre-existing industries were insufficient for sustainable economic growth. The Industrial Policy Resolution of 1956, adopt ...
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LTE (telecommunication)
In telecommunications, long-term evolution (LTE) is a standard for wireless broadband communication for cellular mobile devices and data terminals. It is considered to be a "transitional" 4G technology, and is therefore also referred to as 3.95G as a step above 3G. LTE is based on the 2G GSM/ EDGE and 3G UMTS/ HSPA standards. It improves on those standards' capacity and speed by using a different radio interface and core network improvements. LTE is the upgrade path for carriers with both GSM/UMTS networks and CDMA2000 networks. LTE has been succeeded by LTE Advanced, which is officially defined as a "true" 4G technology and also named "LTE+". Terminology The standard is developed by the 3GPP (3rd Generation Partnership Project) and is specified in its Release 8 document series, with minor enhancements described in Release 9. LTE is also called 3.95G and has been marketed as 4G LTE and Advanced 4G; but the original version did not meet the technical criteria of a 4G wire ...
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Kerala
Kerala ( , ) is a States and union territories of India, 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 Kingdom of Cochin, Cochin, Malabar District, Malabar, South Canara, and Travancore. Spread over , Kerala is the 14th List of states and union territories of India by area, smallest Indian state by area. It is bordered by Karnataka to the north and northeast, Tamil Nadu to the east and south, and the Laccadive Sea, Lakshadweep Sea to the west. With 33 million inhabitants as per the 2011 Census of India, 2011 census, Kerala is the List of states of India by population, 13th-largest Indian state by population. It is divided into 14 List of districts of Kerala, districts with the capital being Thiruvananthapuram. Malayalam is the most widely spoken language and is also the official language of the state. The Chera dynasty was the f ...
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Haryana
Haryana () is a States and union territories of India, state located in the northern part of India. It was carved out after the linguistic reorganisation of Punjab, India, Punjab on 1 November 1966. It is ranked 21st in terms of area, with less than 1.4% () of India's land area. The state capital is Chandigarh, which it shares with the neighbouring state of Punjab; the most populous city is Faridabad, a part of the National Capital Region (India), National Capital Region. The city of Gurgaon is among India's largest financial and technology hubs. Haryana has Divisions of Haryana, administrative divisions, List of districts of Haryana, districts, 72 sub-divisions, 93 tehsil, revenue tehsils, 50 sub-tehsils, 140 Community development block in India, community development blocks, 154 List of cities in Haryana by population, cities and towns, 7,356 villages, and 6,222 Gram panchayat, villages panchayats. Haryana contains 32 special economic zones (SEZs), mainly located within the ...
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Tamil Nadu
Tamil Nadu (; , TN) is the southernmost States and union territories of India, state of India. The List of states and union territories of India by area, tenth largest Indian state by area and the List of states and union territories of India by population, sixth largest by population, Tamil Nadu is the home of the Tamil people, who speak the Tamil language—the state's official language and one of the longest surviving Classical languages of India, classical languages of the world. The capital and largest city is Chennai. Located on the south-eastern coast of the Indian peninsula, Tamil Nadu is straddled by the Western Ghats and Deccan Plateau in the west, the Eastern Ghats in the north, the Eastern Coastal Plains lining the Bay of Bengal in the east, the Gulf of Mannar and the Palk Strait to the south-east, the Laccadive Sea at the southern Cape (geography), cape of the peninsula, with the river Kaveri bisecting the state. Politically, Tamil Nadu is bound by the Indian sta ...
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Maharashtra
Maharashtra () is a state in the western peninsular region of India occupying a substantial portion of the Deccan Plateau. It is bordered by the Arabian Sea to the west, the Indian states of Karnataka and Goa to the south, Telangana to the southeast and Chhattisgarh to the east, Gujarat and Madhya Pradesh to the north, and the Indian union territory of Dadra and Nagar Haveli and Daman and Diu to the northwest. Maharashtra is the second-most populous state in India, the third most populous country subdivision in South Asia and the fourth-most populous in the world. The state is divided into 6 divisions and 36 districts. Mumbai is the capital of Maharashtra due to its historical significance as a major trading port and its status as India's financial hub, housing key institutions and a diverse economy. Additionally, Mumbai's well-developed infrastructure and cultural diversity make it a suitable administrative center for the state, and the most populous urban are ...
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Karnataka
Karnataka ( ) is a States and union territories of India, state in the southwestern region of India. It was Unification of Karnataka, formed as Mysore State on 1 November 1956, with the passage of the States Reorganisation Act, 1956, States Reorganisation Act, and renamed ''Karnataka'' in 1973. The state is bordered by the Lakshadweep Sea to the west, Goa to the northwest, Maharashtra to the north, Telangana to the northeast, Andhra Pradesh to the east, Tamil Nadu to the southeast, and Kerala to the southwest. With 61,130,704 inhabitants at the 2011 census, Karnataka is the List of states and union territories of India by population, eighth-largest state by population, comprising 31 List of districts in India, districts. With 15,257,000 residents, the state capital Bengaluru is the largest city of Karnataka. The economy of Karnataka is among the most productive in the country with a gross state domestic product (GSDP) of and a per capita GSDP of for the financial year 2023– ...
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Gujarat
Gujarat () is a States of India, state along the Western India, western coast of India. Its coastline of about is the longest in the country, most of which lies on the Kathiawar peninsula. Gujarat is the List of states and union territories of India by area, fifth-largest Indian state by area, covering some ; and the List of states and union territories of India by population, ninth-most populous state, with a population of 60.4 million in 2011. It is bordered by Rajasthan to the northeast, Dadra and Nagar Haveli and Daman and Diu to the south, Maharashtra to the southeast, Madhya Pradesh to the east, and the Arabian Sea and the Pakistani province of Sindh to the west. Gujarat's capital city is Gandhinagar, while its largest city is Ahmedabad. The Gujarati people, Gujaratis are indigenous to the state and their language, Gujarati language, Gujarati, is the state's official language. The state List of Indus Valley civilisation sites#List of Indus Valley sites discovered, ...
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Telangana
Telangana is a States and union territories of India, state in India situated in the Southern India, south-central part of the Indian subcontinent on the high Deccan Plateau. It is the List of states and union territories of India by area, eleventh largest state by area and the List of states and union territories of India by population, twelfth most populated state in India, according to the 2011 Census of India, 2011 census. On 2 June 2014, the area was separated from the northwestern part of United Andhra Pradesh as the newly formed States and union territories of India, state of Telangana, with Hyderabad as its capital. Telugu language, Telugu, one of the classical languages of India, is the most widely spoken and the primary official language of Telangana state, whereas Urdu is recognised as the second official language. Additionally, several tribal languages such as Gondi, Kolami, Koya and Lambadi are spoken in different regions of the Telangana state. The economy of ...
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Andhra Pradesh
Andhra Pradesh (ISO 15919, ISO: , , AP) is a States and union territories of India, state on the East Coast of India, east coast of southern India. It is the List of states and union territories of India by area, seventh-largest state and the List of states and union territories of India by population, tenth-most populous in the country. Telugu language, Telugu is the most widely spoken language in the state, as well as its official language. Amaravati is the state capital, while the largest city is Visakhapatnam. Andhra Pradesh shares borders with Odisha to the northeast, Chhattisgarh to the north, Karnataka to the southwest, Tamil Nadu to the south, Telangana to northwest and the Bay of Bengal to the east. It has the Coastline of Andhra Pradesh, third-longest coastline in India at about . Archaeological evidence indicates that Andhra Pradesh has been continuously inhabited for over 247,000 years, from early archaic Hominini, hominins to Neolithic settlements. The earliest r ...
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UMTS
The Universal Mobile Telecommunications System (UMTS) is a 3G mobile cellular system for networks based on the GSM standard. UMTS uses Wideband Code Division Multiple Access, wideband code-division multiple access (W-CDMA) radio access technology to offer greater spectral efficiency and bandwidth to mobile network operators compared to previous 2G systems like GPRS and Circuit Switched Data, CSD. UMTS on its provides a peak theoretical data rate of 2 Data-rate units, Mbit/s. Developed and maintained by the 3GPP (3rd Generation Partnership Project), UMTS is a component of the International Telecommunication Union IMT-2000 standard set and compares with the CDMA2000 standard set for networks based on the competing IS-95, cdmaOne technology. The technology described in UMTS is sometimes also referred to as Freedom of Mobile Multimedia Access (FOMA) or 3GSM. UMTS specifies a complete network system, which includes the radio access network (UMTS Terrestrial Radio Access Network, or U ...
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GSM Frequency Bands
GSM frequency bands or frequency ranges are the cellular frequencies designated by the International Telecommunication Union, ITU for the operation of GSM mobile phones and other mobile devices. Frequency bands GSM frequency usage around the world A dual-band 900/1800 device is required to be compatible with most networks apart from deployments in ITU Region 2. GSM-900, EGSM/EGSM-900 and GSM-1800 GSM-900 and GSM-1800 are used in most parts of the world (ITU-Regions 1 and 3): Africa, Europe, Middle East, Asia (apart from Japan and South Korea where GSM has never been introduced) and Oceania. In common GSM-900 is most widely used. Fewer operators use GSM-1800. Mobile phones on aircraft, Mobile Communication Services on Aircraft (MCA) uses GSM-1800. In some countries GSM-1800 is also referred to as "Digital Cellular System" (DCS). GSM-850 and GSM-1900 GSM-1900 and GSM-850 are used in most of North, South and Central America (ITU-Region 2). In North America, GSM operate ...
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