In order to augment the Indian Navy’s submarine support operations on either coast, a contract was signed by the Indian Navy with M/s Hindustan Shipyard, Vishakhapatnam for the construction of two Diving Support Vessels (DSV). The first vessel will be built over a 36 month period, while the second one will be build in the next six months. With 118 m in length and of approximately 7,650 T displacement, the vessels will be based at Vishakhapatnam and Mumbai, respectively. In order to operate submarine to secure the Indian waters, the India Navy undertakes diving operations in the Indian Ocean Region (IOR). This facilitates various activities like submarine rescue, under water inspection, testing or salvage and recovery of ship aircraft or object lost at sea.