The ''Vidyut''-class missile boats (

Sanskrit Sanskrit (; stem form ; nominal singular , ,) is a classical language belonging to the Indo-Aryan languages, Indo-Aryan branch of the Indo-European languages. It arose in northwest South Asia after its predecessor languages had Trans-cultural ...

;

Devanagari Devanagari ( ; in script: , , ) is an Indic script used in the Indian subcontinent. It is a left-to-right abugida (a type of segmental Writing systems#Segmental systems: alphabets, writing system), based on the ancient ''Brāhmī script, Brā ...

: विद्युत्, ''lightning'') of the

Indian Navy The Indian Navy (IN) (ISO 15919, ISO: ) is the Navy, maritime and Amphibious warfare, amphibious branch of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Navy. The Chief of the Naval Staff (India), Chief ...

were an

India India, officially the Republic of India, 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 by population (United Nations), most populous country since ...

n variant of the

Soviet The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...

Osa I class. These vessels formed the 25th "Killer" Missile Boat Squadron, which sunk 2

destroyer In naval terminology, a destroyer is a fast, maneuverable, long-endurance warship intended to escort larger vessels in a fleet, convoy, or carrier battle group and defend them against a wide range of general threats. They were conceived i ...

s, a

minesweeper A minesweeper is a small warship designed to remove or detonate naval mines. Using various mechanisms intended to counter the threat posed by naval mines, minesweepers keep waterways clear for safe shipping. History The earliest known usage of ...

and various other vessels of the

Pakistan Navy The Pakistan Navy (PN) (; ''romanized'': Pākistān Bahrí'a; ) is the naval warfare branch of the Pakistan Armed Forces. The Chief of the Naval Staff, a four-star admiral, commands the navy and is a member of the Joint Chiefs of Staff Com ...

during the Indo-Pakistani War of 1971.

Acquisition

In 1964, the

Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...

offered the Osa-class missile boats to a visiting Indian delegation. However, the Indian Navy showed no interest in the smaller boats at the time. Until 1965, the primary acquisitions of the Indian Navy had been from

Britain Britain most often refers to: * Great Britain, a large island comprising the countries of England, Scotland and Wales * The United Kingdom of Great Britain and Northern Ireland, a sovereign state in Europe comprising Great Britain and the north-eas ...

. After the Indo-Pakistani War of 1965, the British declined to transfer modern equipment to India. So, India turned to the Soviet Union for its military acquisitions. In 1967, during the

Six-Day War The Six-Day War, also known as the June War, 1967 Arab–Israeli War or Third Arab–Israeli War, was fought between Israel and a coalition of Arab world, Arab states, primarily United Arab Republic, Egypt, Syria, and Jordan from 5 to 10June ...

, an

Egypt Egypt ( , ), officially the Arab Republic of Egypt, is a country spanning the Northeast Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via the Sinai Peninsula. It is bordered by the Mediterranean Sea to northe ...

ian missile boat attacked and sank the

Israel Israel, officially the State of Israel, is a country in West Asia. It Borders of Israel, shares borders with Lebanon to the north, Syria to the north-east, Jordan to the east, Egypt to the south-west, and the Mediterranean Sea to the west. Isr ...

i frigate, ''Eilat'', from a range well beyond the frigate's guns. In 1968, a Pakistani delegation to the Soviet Union was also offered the missile boats and transfer of associated infrastructure. However, the Pakistan Navy wanted larger vessels and turned down the offer. In 1969, after examining the performance of the Egyptian boats during the Six Day War, India finalized agreements for the acquisition of the Osa-I-class missile boats from the Soviet Union. The vessels were commissioned into the Indian Navy starting in 1971, a few months before the start of the war with Pakistan.

Operations

During the Indo-Pakistani War of 1971, the 25th Missile Boat Squadron, consisting of vessels from the ''Vidyut'' class, played a crucial role in the Indian attacks on

Karachi Karachi is the capital city of the Administrative units of Pakistan, province of Sindh, Pakistan. It is the List of cities in Pakistan by population, largest city in Pakistan and 12th List of largest cities, largest in the world, with a popul ...

in December 1971. The two key operations in which these vessels played an active role, were Operation Trident and

Operation Python Operation Python, a follow-up to Operation Trident, was the code name of a naval attack launched on West Pakistan's port city of Karachi by the Indian Navy during the Indo-Pakistani War of 1971. After the first attack during Operation Tr ...

. Indian attacks destroyed half of the Pakistani Navy and most of Pakistan's naval fuel reserves in the port's fuel storage tanks, which cleared the way for the decisive victory of the

Indian Armed Forces The Indian Armed Forces are the armed forces, military forces of the India, Republic of India. It consists of three professional uniformed services: the Indian Army, the Indian Navy, and the Indian Air Force.—— Additionally, the Indian Ar ...

. Commander B.B. Yadav, who commanded Operation Trident was awarded the

Maha Vir Chakra The Maha Vir Chakra (MVC) () is the second highest military decoration in India, after the Param Vir Chakra, and is awarded for acts of conspicuous gallantry in the presence of the enemy, whether on land, at sea or in the air. It replaced the B ...

. Lieutenant Commander B.N. Kavina, Petty Officer M.O. Thomachan, Petty Officer R.N. Sharma and L.K. Chakravarty and Lieutenant Commander Inderjit Sharma received the

Vir Chakra The Vir Chakra (pronunciation: ʋ iː ɾ a tʃ a kɾa, ) is an Indian wartime military bravery award presented for acts of gallantry on the battlefield, on land or in the air or at sea. It is third in precedence in wartime gallantry awards and ...

for their roles in Operation Trident. Lieutenant Commander Vijai Jerath, was awarded the Vir Chakra for Operation Python.

Ships of the class

References

{{Ship classes of the Indian Navy India–Soviet Union relations