Indian Navy is sending four ships, comprising Guided Missile Destroyer Ranvijay, Guided Missile Frigate Shivalik, Anti-Submarine Corvette Kadmatt and Guided Missile Corvette Kora, to South China Sea and West Pacific. The step has been taken in pursuit of India's 'Act East' policy and to enhance military cooperation with friendly countries, Centre said. The fleet will be deployed for two months.