INS Sahyadri (F49) is a Shivalik-class stealth multi-role frigate built for the Indian Navy. This class features improved stealth and land attack capabilities over the preceding Talwar-class frigates.

The Shivalik class or Project 17 class is a class of multi-role frigates in service with the Indian Navy. They are the first warships designed with low observability features built in India. They were designed to have better stealth features and land-attack capabilities than the preceding Talwar-class frigates. A total of three ships were built between 2000 and 2010, and all three were in commission by 2012.