India's nuclear submarine INS Arihant test fires ballistic missile I Details

India's nuclear-powered submarine INS Arihant on Friday carried out a successful launch of a submarine-launched ballistic missile (SLBM) in the Bay of Bengal with a "very high accuracy", the defence ministry said. India's nuclear-powered ballistic missile submarine (SSBN) programme is a closely guarded project. INS Arihant was the first boat under the SSBN project that was reportedly followed by another boat, INS Arighat. Watch this video for more.