India, Aug. 25 -- The union ministry of defence has said that the Indian Navy is set to commission two Nilgiri-class stealth guided-missile frigates - INS Udaygiri and NS Himgiri on August 26 at Visakhapatnam.

The two made-in-India warships are a part of the Project 17 Alpha (P-17A) under which the lead vessel, INS Nilgiri, was commissioned earlier this year.

According to the ministry, the two missiles represent a generational leap over earlier designs. Displacing about 6,700 tons, the P-17A frigates are roughly five per cent larger than their predecessor Shivalik-class frigates and yet incorporate a sleeker form, with a reduced radar cross-section.

The ships are powered by Combined Diesel or Gas (CODOG) propulsion plants using diesel ...