Indian Navy (Submarine Arm)

Indian Navy (Submarine Arm)
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Unit name	Submarine Arm
Caption	INS Kalvari (S21) of the first Kalvari-class
Dates	1967–present
Country	India
Branch	Indian Navy
Type	Submarine force
Role	Undersea warfare
Garrison	Visakhapatnam
Nickname	Silent Service
Notable commanders	Admiral Arun Prakash, Admiral Sushil Kumar

Indian Navy (Submarine Arm) The Submarine Arm is the undersea warfare component of the Indian Navy responsible for submarine operations, deterrence, and surveillance across the Indian Ocean and adjacent seas. It operates diesel-electric and nuclear-capable platforms, supports fleet operations with Western Naval Command, Eastern Naval Command, and Andaman and Nicobar Command, and contributes to strategic deterrence and maritime security alongside the Indian Armed Forces and Indian Coast Guard.

History

The Submarine Arm traces origins to induction of the first Kalvari-class boats acquired from Soviet Union and Soviet Navy designs, entering service during the Cold War alongside procurement dialogues with Ministry of Defence (India) and support from Mazagaon Dock Limited and Cochin Shipyard. Early operations were influenced by regional crises such as the 1971 Bangladesh Liberation War, where submarine deployments were coordinated with Eastern Fleet and Western Fleet assets. Subsequent decades saw expansion through transfers and licensed construction involving Soviet Union, Russia, and collaborations with France leading to acquisition of INS Shishumar (S44)-class boats and later the Scorpène-class submarine program with Mazagon Dock Shipbuilders Limited. Strategic shifts in the 1990s and 2000s involved engagement with United States naval diplomacy, technology transfers, and doctrines shaped by events like the Kargil War and the rise of People's Liberation Army Navy. Investment in nuclear propulsion and ballistic missile capability culminated in the Arihant-class submarine strategic program led by Defence Research and Development Organisation and Bharat Heavy Electricals Limited contractors.

Organization and Command Structure

The Submarine Arm is organized under the Indian Navy fleet commands: Western Naval Command, Eastern Naval Command, and the tri-service Andaman and Nicobar Command. Operational control integrates with the Naval HQ (India) at New Delhi and tactical direction comes from submarine squadron commanders (e.g., 8th, 9th, 11th Submarine Squadrons) based at Vizag and Kochi. Shore establishments such as INS Satavahana and INS Vajrabahu provide training, maintenance, and logistical support while coordination with agencies like Defence Research and Development Organisation and Naval Dockyard (Visakhapatnam) supports technical readiness. Command billets rotate among officers trained at Naval War College (India) and specialized schools linked with United Kingdom's Royal Navy and French Navy exchanges.

Submarine Classes and Capabilities

Current diesel-electric classes include the indigenous Kalvari-class submarine (2017) (Scorpène variants), legacy Shishumar-class submarine (Type 209), and older Foxtrot-class submarine hulls phased out into reserve or training roles. Strategic and nuclear-capable units comprise the Arihant-class submarine SSBNs developed under Advanced Technology Vessel project and testing of K-15 Sagarika SLBM systems. Capabilities span anti-surface warfare, anti-submarine warfare, intelligence, surveillance and reconnaissance; sensor suites integrate sonar from DRDO, combat systems from Thales Group, and torpedoes such as Varunastra and export models from Whitehead Alenia Sistemi Subacquei. Air-independent propulsion trials, lithium-ion battery research with IISc Bangalore, and hull design advances involve collaborations with Naval Materials Research Laboratory and international partners like Naval Group (France) and Rubin Design Bureau.

Operations and Deployments

Submarines undertake patrols in the Indian Ocean Region, Arabian Sea, Bay of Bengal, and into the Malacca Strait for maritime security, anti-piracy missions coordinated with Combined Task Force 151 and bilateral exercises such as Varuna with France, Malabar with United States and Japan, and Indra with Russia. Deployments include deterrent patrols by Arihant-class units, surveillance during crises like the 2008 Mumbai attacks aftermath, and humanitarian support during operations with Indian Navy amphibious forces in response to Cyclone disasters. Intelligence sharing with National Technical Research Organisation and interoperability training with Royal Australian Navy and Royal Navy (United Kingdom) enhance operational reach.

Training and Crew Development

Crew selection and officer training originate from Indian Naval Academy and are specialized at INS Satavahana (submarine training school) and diving school modules at INS Garuda. Technical training involves collaborations with DRDO laboratories, submarine simulation centers, and overseas courses with Russian Navy and French Navy institutions. Skill pipelines include nuclear training for SSBN crews at establishments linked to Bhabha Atomic Research Centre and tactical training at Naval War College (India). Professional development incorporates staff college postings, nuclear safety training with Atomic Energy Regulatory Board, and exchange deployments with Royal Navy and United States Navy to master modern sonar, weapon systems, and damage control.

Modernization and Procurement Plans

Modernization plans include continued induction of Scorpène-class boats built with Mazagon Dock Shipbuilders Limited, future acquisition of conventionally armed submarines under Project P-75I with competition among Naval Group (France), Korea Shipbuilding firms, and Rosoboronexport proposals. Nuclear propulsion expansion envisions follow-on SSBNs and potential SSN programs with technology input from Defence Research and Development Organisation and international partners. Upgrades target AIP systems, lithium-ion battery integration, modern combat management systems from L-3 Communications and Thales Group, and indigenous weapon development like Varunastra heavyweight torpedo and future submarine-launched cruise missiles.

Incidents and Safety Record

The Submarine Arm’s safety record includes peacetime incidents, maintenance accidents, and operational mishaps requiring inquiry by boards constituted under Ministry of Defence (India). Notable events involved decommissioning after collisions or accidents with robotic rescue and salvage operations supported by INS Nireekshak and international rescue assets such as United States Navy submarine rescue ships. Risk mitigation emphasizes improved crew training, adoption of international safety standards from International Maritime Organization norms, expanded escape and rescue systems with DRDO and joint exercises like RIMPAC and bilateral submarine rescue drills.

Category:Indian Navy Category:Submarine forces