BALASORE: India has secretly conducted the maiden test of its nuclear capable undersea ballistic missile, code named K-4, from homegrown submarine INS Arihant from an undisclosed location in the Bay of Bengal. Sources said the test conducted on March 31 at a location, 45 nautical miles away from Visakhapatnam coast in Andhra Pradesh, was highly successful. The weapon, with a dummy payload, was reportedly launched from the submarine in full operational configuration. The trial was carried with the support of the personnel of Strategic Forces Command (SFC) while the DRDO provided all logistic support. The K-4 missile was fired from onboard silos of the ship submersible ballistic nuclear submarine demonstrating the capability of the newly built underwater warship to fire nuclear capable long range missiles and the killing efficiency of the most advanced state-of-the-art weapon system.