Defence Minister Arun Jaitley handed over three naval systems, developed by premier defence research organisation DRDO to the navy yesterday. The naval systems, given to Indian Navy, are USHUS-II submarine sonar, directing gear for hull-mounted sonar array, and inertial navigation system for ship applications. Sonars detect objects on or under the water and the latest systems are expected to significantly enhance the navy's navigation and communication network.<br/><br/>Speaking on the occasion in New Delhi, Mr Jaitley said there is a need for convergence between India's economic might and evolution of the technology so that the world looks at the country for innovation and new technology. The Defence Minister hailed DRDO's sustained efforts in enhancing India's military capabilities through defence indigenisation. He also gave away the annual DRDO awards in various categories.