In an effort to protect India's vast coastline and ports from various threats, sea bed arrays and unmanned underwater vehicles will be used for ocean surveillance.
Plans are afoot to test India's missile defence shield in November, V K Saraswat, leading scientist at Defence Research and Development Organisation, said on Friday.
He is eminent technologist M Natrajan, project director of the country's indigenous main battle tank Arjun.
A noted defence scientist on Wednesday rejected suggestions that China's new missile Chaoxun-1 (CX-1) was a copy of Indian supersonic cruise missile BrahMos. The technology used in CX-1 and BrahMos, an Indo-Russian joint production, was completely different, said A Sivathanu Pillai, who formerly served as Chief Controller of Research and Development at Defence Research and Development Organisation.