India TV

Indian Navy's submarine fleet set for major boost as indigenous AIP system achieves key milestone

A significant milestone towards enhancing Indian Navy s underwater capabilities has been achieved with the inauguration of Setting to Work Phase (STW)-2 activity of the Air Independent Propulsion (AIP) system Energy Module developed indigenously by Naval Materials Research Laboratory, DRDO. The AIP system boosts the underwater endurance of the diesel-electric submarines by reducing its dependence on atmospheric oxygen. The inauguration ceremony was held at Larsen and Toubros, AM Naik Heavy Engineering Complex in Hazira, Gujarat on October 24, 2026.