Project-75 (India), simply referred to as the P-75(I) program, is a military acquisition initiative affiliated to India's Ministry of Defence, aimed at the planned procurement of diesel-electric submarines for the Indian Navy. From Wikipedia
Provisioning for two problematic contracts eroded Ebitda margins to 2.8%, setting the stage for P75 and P75I submarine awards that could lift the order book beyond Rs 1.25 lakh crore