INS Kursura is the fourth submarine of the country. After 31 years of war service, this submarine is now transformed into a museum ship in Vishakapatnam. It is harboured on the port of Vishakpatnam and is a must visit museum. About 10 million rupees are generated by this museum as about thousand people visit this museum every day during peak season. It has retained its original glory for the people to look how the inner side of a submarine would look like.