India’s first nuclear submarine INS Arihant passed tests

India’s first indigenously built nuclear armed submarine INS Arihant successfully passed several deep sea diving drills and weapons launch tests. 
•    These successful tests took place at Vishakhapatnam coast.
•    Submarine was built at Vishakhapatnam coast. 
•    Submarine is now ready for formal induction into the Naval Fleet.
•    It is a 6,000-tonne nuclear powered submarine and is 112 metre long. 
•    It is Powered by 83 MW pressurised light water reactor.
•    Reactor was built with Russia’s help. 
•    It is Capable of launching twelve short range nuclear-capable ballistic missile BO-5 (K 15) 
•    BO-5 (K 15) has a range of 700 kms.
•    K 4 ballistic has a range of 3,500 km.