India to commission its second nuclear submarine today; here's all you need to know about INS Arighat

The Indian Navy will commission its second nuclear submarine, INS Arihant, in Visakhapatnam. Defence Minister Rajnath Singh will inaugurate the 112-metre-long submarine, enhancing India's 'nuclear triad.' Armed with K-15 missiles, the submarine is fully ready, following extensive trials, and will improve the country's sea-based nuclear deterrence capabilities.