Indian Navy is planning to drop plans for the vertical launch system (VLS) cells for its Project-75-I submarine program that could have allowed it to carry Brahmos submarine-launched cruise missiles, instead, DRDO and the Navy are working on developing high sub-sonic submarine torpedo launched cruise missiles that will have a range of 1500km and later can be adapted also on Kalvari-class submarine fleet.

Dropping plans for the VLS system for the Project-75-I submarine program might have been much to do with the limited numbers of SLCM that are presently available that can be adopted for the Vertical launch and also due to the limited range of current BrahMos missiles (450km) system. has learned that Brahmos-ER SLCM that is under development will have a range of 800+ and a hypersonic version of (BrahMos-2K) will be part of the future Nuclear attack submarine program will have a range of 1500+ that is currently at the design stage will have both supersonic and hypersonic cruise missiles that can be adapted to be fired from its vertical launch system (VLS) cells.

Submarine torpedo launched cruise missiles under development will have two variants one being an anti-ship variant with autonomous terminal guidance from an RF seeker and the other being a land-attack variant with an EO seeker with a sea-skimming flight profile to avoid detection.

DRDO is likely to start testing the propelled ejection capsule which is one of the components of the SLCM that are used to eject the missile as soon as it breaks the surface of the water after launch from the submarine. DRDO in association with the Navy will be using one of the Kalvari-class submarines for initial trials and after which full-scale developmental trials of the system will commence. SLCM will allow submarines to go into action while remaining out of enemy detection and weapon range.

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