INS ''Subhadra'' (P51) is a Sukanya class patrol vessel of the

Indian Navy The Indian Navy is the maritime branch of the Indian Armed Forces. The President of India is the Supreme Commander of the Indian Navy. The Chief of Naval Staff, a four-star admiral, commands the navy. As a blue-water navy, it operates sig ...

.Indian Naval Ships-OPV-Sukanya Class
, indiannavy.nic.in, 2011-10-20 ''INS Subhadra'' has been used as a test bed for the Dhanush ship-launched ballistic missile and associated stabilization and launch platform.India test fires ship-based nuclear-capable missile
SpaceDaily.com, 25 November 2015

References

Sukanya-class patrol vessels Patrol vessels of the Indian Navy Naval ships of India {{mil-ship-stub