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  2. List of submarines of the Indian Navy - Wikipedia

    en.wikipedia.org/wiki/List_of_submarines_of_the...

    Leased for 10 years but returned to Soviet Union in 1991 after 3 years. Decommissioned and scrapped 1992. Improved Akula I-class: INS Chakra: Russia: 4 April 2012 June 2021 8,140 tonnes Under a 10-year lease from Russia since 2012; returned 2021. Diesel-electric submarines (10) Kalvari class (Foxtrot-class) INS Kalvari (S23) INS Khanderi

  3. Arihant-class submarine - Wikipedia

    en.wikipedia.org/wiki/Arihant-class_submarine

    The Arihant-class (transl. 'Slayer of Enemies' in Sanskrit)is a class of nuclear-powered ballistic missile submarines in service with Indian Navy.They were developed under the ₹ 900 billion (US$10 billion) Advanced Technology Vessel (ATV) project to design and build nuclear-powered submarines. [2]

  4. INS Arihant - Wikipedia

    en.wikipedia.org/wiki/INS_Arihant

    INS Arihant (SSBN 80) [10] (Sanskrit: Vanquisher of Enemies), designated S2 Strategic Strike Nuclear Submarine, [11] is the lead ship of India's Arihant class of nuclear-powered ballistic missile submarines. [12] [13] The 6,000 tonne vessel was built under the Advanced Technology Vessel (ATV) project at the Ship Building Centre in the port city ...

  5. INS Aridhaman - Wikipedia

    en.wikipedia.org/wiki/INS_Aridhaman

    INS Aridhaman is an upgraded variant of the Arihant-class submarine. [9] [10] [11] It is the third nuclear-powered ballistic missile submarine made by India [12] under the Advanced Technology Vessel (ATV) project to build nuclear submarines at the Ship Building Centre in Visakhapatnam. [1] It has the code name S4. [3] [13] [14]

  6. INS Arighaat - Wikipedia

    en.wikipedia.org/wiki/INS_Arighaat

    INS Arighaat is an upgraded variant of the Arihant-class submarine. [9] [10] [11] It is the second nuclear-powered ballistic missile submarine made by India [12] under the Advanced Technology Vessel (ATV) project to build nuclear submarines at the Ship Building Centre in Visakhapatnam. [1] It has the code name S3. [3] [13] [14]

  7. K-4 (missile) - Wikipedia

    en.wikipedia.org/wiki/K-4_(missile)

    K-4 or Kalam-4 is a nuclear capable intermediate-range submarine-launched ballistic missile developed by the Defence Research and Development Organisation of India to arm its Arihant-class submarines. [9]

  8. USHUS (sonar) - Wikipedia

    en.wikipedia.org/wiki/USHUS_(sonar)

    The production of the sonar is done by Bharat Electronics (BEL) at its Bengaluru unit, after transfer of technology from NPOL. NPOL continues to provide technical consultancy and support. The Indian Ministry of Defence signed a contract worth ₹167 crore with BEL for the delivery of the sonars for four Kilo-class submarines between 2003 and ...

  9. Naval Physical and Oceanographic Laboratory - Wikipedia

    en.wikipedia.org/wiki/Naval_Physical_and...

    All the future inductions planned by the Indian Navy are to be fitted with NPOL designed sonars. The sonars under development are HUMSA NG (upgrade of the HUMSA sonar), the submarine sonars USHUS (for the Sindhugosh class) and PAYAL for the Arihant class. [1] Underwater acoustics is another area which NPOL is looking at.

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