Question: ICGS "Samrat" (CG47) is an Indian Coast Guard Advanced Off Shore Patrol Vessel (OPV), second of its class which has been indigenously designed and built by Goa Shipyard Limited, the  vessel was commissioned to coast guard service on 21 January 2009 by A. K. Antony, by the former head of the Ministry of Defence of the Government of India, the position is called?
Sentence (from "Minister of Defence (India)"): The Minister of Defence is the head of the Ministry of Defence of the Government of India.
Relevant evidence: Yes