♦ The second Arihant-Class submarine ‘INS Arighaat’ was commissioned into the Indian Navy at Visakhapatnam in the presence of Raksha Mantri Shri Rajnath Singh on 29 August 2024. It was constructed using ‘advanced design and manufacturing technology’ following detailed research and development.

♦ The country's first home-made nuclear submarine - INS Arihant was launched in July 2009 and quietly commissioned in 2016. 

♦ The Arihant class submarines are named after a Sanskrit word meaning the “Destroyer of the Enemy”.   

♦ INS Arighaat was constructed by the Shipbuilding Centre (SBC), Visakhapatnam. It can travel at a maximum speed of up to 24 knots (44 km/h) when submerged and 12–15 knots (22–28 km/h) when surfaced. It shares the same hump as the INS Arihant and has four launch tubes. It can carry 12 K-15 SLBMs with a range of about 750 km or up to four nuclear-armed K-4 SLBMs with a range of over 3,500 km.