- Other Name:
- Nerpa, re-commissioned as the INS Chakra II.
- Type: Rented from Russia for 10 years.
- Inducted into navy in the year - 2010
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Initially, INS Nerpa Nuclear Submarine was to be delivered in 2007, but the adjustment of its equipment took longer than expected. In 2008, the submarine’s fire safety system accidentally activated during trials in the Sea of Japan, killing 20 people. Among the dead, 17 were civilian technical specialists.
- The Navy began operating submarines in 1967 and within two decades, graduated to operating nuclear submarines by leasing a Soviet Charlie class submarine, also named INS Chakra 1, between 1988 and 1991.
- Commanded by Captain P. Ashokan, who has operational experience of over 25 years, the new INS Chakra 2 has a displacement of over 12,000 tonnes and is manned by a crew of 80.
- It is powered by a 190-MWe reactor for a maximum submerged speed of 30 knots (55 kmph) and operating depths of over 500 metres.
- The submarine has a crew of 73 and 100-day endurance.
- Its armaments include four 533mm and four 650mm torpedo tubes capable of launching Granat cruise missiles with an engagement range of 3,000 kilometres, and Shkval, Vodopad and Veter underwater missiles and rocket-shot torpedoes. The submarine is also able to deploy mines.