Deep Submergence Rescue Vehicle Complex

Current Context: Deep Submergence Rescue Vehicle (DSRV) was inaugurated at Eastern Naval Command (ENC) in Visakhapatnam, Andhra Pradesh.

• The complex is built to accommodate newly designed submarines and its rescue systems and store DSRV assets.
• DSRV complex, consist of the submarine rescue vessel, remote-operated vehicle and side-scan sonar and it associated equipments.
• It was inaugurated by Vice-admiral Atul Kumar Jain.
• Static Part: 
• Chief of Naval Staff: Admiral Karambir Singh

Question: 

Q.1 Where is the Deep Submergence Rescue Vehicle (DSRV) complex built in India?
a. Kochi, Kerala
b. Mumbai. Maharashtra
c. Port Blair, Andaman and Nicobar Island
d. Visakhapatnam, Andhra Pradesh