Kolkata, June 21 -- Prime Minister Narendra Modi on Sunday commissioned three indigenously designed and built naval ships - INS Dunagiri, an advanced stealth frigate, INS Sanshodhak, a survey vessel (large) and INS Agray, an anti-submarine warfare shallow water craft.

The induction of three indigenously built frontline platforms will augment the strength of the Indian Navy.

Designed by the India Navy's Warship Design Bureau as well as by Garden Reach Shipbuilders & Engineers (GRSE), Kolkata, and constructed by GRSE, the vessels represent key operational capabilities across maritime combat, hydrographic surveying, and anti-submarine warfare.

Together, they reflect the Navy's balanced approach to capability development, strengthening blu...