Indian Navy to Commission DSC A20, First Indigenous Diving Support Craft in Kochi

Key facts

• The Indian Navy will commission DSC A20, the first vessel in a new class of indigenously designed and constructed Diving Support Craft (DSC), on 16 December 2025 at Kochi under the Southern Naval Command.
• DSC A20 is the lead vessel in a series of five Diving Support Craft being constructed by Titagarh Rail Systems Limited (TRSL), Kolkata.
• These vessels have been purpose-built for a broad range of underwater missions in coastal waters, including diving operations, underwater inspection and repair, salvage and recovery support, training of naval diving teams, and search-and-rescue tasks in littoral zones.
• DSC A20 features a catamaran hull form, offering superior stability, larger deck area for equipment and personnel, enhanced seakeeping in rough coastal conditions, and improved operational efficiency during diving deployments.
• The commissioning of DSC A20 is a major achievement under the Government’s Aatmanirbhar Bharat and Make in India initiatives.