Which one of the following is the best description of ‘INS Astradharin

Which one of the following is the best description of ‘INS Astradharini’, that was in the news recently?

Amphibious warfare ship
Nuclear-powered submarine
Torpedo launch and recovery vessel
Nuclear-powered aircraft carrier
This question was previously asked in
UPSC IAS – 2016
‘INS Astradharini’, which was in the news recently (relative to the time the question was framed), is a Torpedo Launch and Recovery Vessel (TLRV) of the Indian Navy. It is designed for testing torpedoes and other underwater weapons.
INS Astradharini is a specialized vessel used by the Indian Navy for testing and trials of underwater weapons like torpedoes.
The ship was indigenously designed by NSTL (Naval Science & Technological Laboratory), Visakhapatnam, and built by Shoft Shipyard Pvt Ltd, Bharuch, Gujarat. It was commissioned into the Indian Navy in October 2015. It replaced the INS Astravahini, which was decommissioned earlier.