INS KALVARI - India’s First Scorpene Stealth Submarine Features

INS Kalvari is the first of the Indian Navy's six Kalvari-class submarine being built in India. It is a diesel-electric attack submarine which is designed in by French naval defence and energy company DCNS and being manufactured at Mazagon Dock Limited in Mumbai. She was laid down for construction on 1 April 2009. On 6 April 2015 Defence Minister Manohar Parrikar launched the indigenously-built Scorpène submarine at the Mazagaon Dockyard.



Features of Kalvari:-

- This Scorpene submarine has superior stealth technology.

- It can also launch massive attacks through precision guided weapons An attack can be launched     through this submarine with torpedoes as well as tube launched anti-ship missiles on the surface of the water or beneath it as well.

- This submarine works in all settings including the tropics, wherein various means and communications are in place to ensure interoperability with various components of the naval task force.

- Numerous defence activities can be carried out through this stealth submarine including mine laying, area surveillance, anti-submarine warfare, intelligence gathering and multifarious warfare activities.



- This Scorpene submarine is constructed from special steel and it can withstand high yield stress because it possesses tensile strength, it can withstand hydrostatic force of high magnitude and dive deeper.

- Kalvari and other submarines in this class are also equipped with WLT/Weapons Launching tubes and these can carry weapons on board which can effectively be reloaded at sea.

- All six submarines including Kalvari are being indigenously constructed at Mazgaon Dockyard Ltd in Mumbai. The last and may be second last attack submarine of these class will be equipped with air independent propulsion.

- The new diesel electronic Scorpene submarines will be named as per the old Foxtrot class boats decommissioned around 10 years ago; these were the first submarines of the Navy.



- INR Kalvari is one of a set of six submarines which is undergoing test and trials for last one and a half years rigorously at harbour and on sea whether on the surface or underwater.

- Mechanisms on this submarine have been designed to optimise safety; DRDO is in the process of establishing a system for carrying out structural health monitoring of under development nuclear submarines as well as future conventional Naval submarines.

- To speed up India in the race for naval vessels, the NDA government has ordered for an accelerated tendering process to construct 6 conventional diesel electric submarines at a cost estimated to be INR 50,000 crore or USD 8.1billion alongside the Scorpenes

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