India on Friday successfully test-fired the K-4 submarine-launched ballistic missile off the coast of Visakhapatnam
This is for the second time this week by the Indian defence and research department.
The missile, developed by the Defence Research and Development Organisation (DRDO), was fired from an underwater platform early Friday morning, sources said.
The missile would be equipped on the indigenously-built Indian Navy Ship (INS) Arihant-class nuclear submarines of the Indian Navy.
