India successfully tested its submarine-based ballistic missile capability by launching it from deep inside the Bay of Bengal. The missile has been designed and perfected by AK Chakrabarty, the Director of the Defence Research and Development Laboratory, Hyderabad, which is the mother facility for India's Integrated Missile Development Programme. This launch was particularly poignant for Mr Chakrabarty as he has been involved with this project since its very inception, and now within a few hours of the last developmental launch, he is retiring after many decades of glorious service to the nation.