The Indian Navy has signed a contract with Tata Power Strategic Engineering Division for supply of Portable Diver Detection Sonar (PDDS) under the 'Buy and Make (Indian)' category, an official said on Thursday.The contract was signed on Wednesday under the 'Buy and Make (Indian)' category of the Defence Procurement Policy (DPP).The PDDS would be manufactured by Tata Power SED in India at their facility at Bengaluru with Transfer of Technology from DSIT Israel."Induction of weapons and sensors under 'Buy and Make (Indian)' category, is one the numerous measures being taken by the Indian Navy to boost indigenisation for ensuring a self reliant Navy, in line with the Government of India's 'Make in India' initiative," an official statement of the Indian Navy said.Induction of PDDS would further enhance Indian Navy's Underwater Surveillance Capability in the field of Low Intensity Maritime Operations. Procurement of these sonars for utilisation onboard ships is being undertaken by the Indian Navy to augment countermeasures against asymmetric threats.