The approval to the proposals come amid increasing hostilities by Pakistan along the Line of Control in Jammu and Kashmir as well as China's aggressive posturing in several sectors along the nearly 4,000-km-long Sino-India border.
The long-pending proposals were cleared at a meeting of the Defence Acquisition Council (DAC), the defence ministry's highest decision making body on procurement.
Equipped with some of the best sensors in the world, its weapons package include sufficient wire guided torpedoes and sub-surface to surface missiles to neutralise a large enemy fleet, the Navy said.
"INS Kiltan strengthens our defence system and will be a shining armour in our 'Make in India' programme," Sitharaman said.
'The armed forces have been given clear indication that they have to give priority to Make in India and indigenisation and dependence on foreign source should be reduced.' 'Almost Rs 90,000 crores contracts have been signed during my tenure. Another almost Rs 70,000 crores are in the pipeline.'