HERE'S ALL YOU NEED TO KNOW!
INS Arihant is India's first nuclear submarine, launched in July 9, on Kargil War Victory Day.
INS Arihant successfully tested a submarine-launched ballistic missile on October 14.
It was tested to a preset range and impacted the target area in the Bay of Bengal with very high accuracy.
The successful test is seen as a major milestone in further boosting India's strategic strike capabilities.
All operational and technological parameters of the weapon system have been validated.
India is the 6th country in the world to have nuclear-powered submarines armed with ballistic missiles.