Which one of the following is the sixth Scorpene class submarine, constructed by Mazagon Dock Shipbuilders Limited for the Indian Navy, recently launched in Mumbai?

The sixth Scorpene class submarine, INS Vagsheer, constructed by Mazagon Dock Shipbuilders Limited for the Indian Navy, was launched in Mumbai. INS Vagsheer will now undergo rigorous trials and tests, both in harbour and at sea before it is commissioned into the Navy. These submarines are being constructed at Mazagon Dock Shipbuilders Limited (MDL) Mumbai, under collaboration with Naval Group, France. The Mazgaon Dock had been entrusted with the task of building six submarines under the Project-75 programme. The first two submarines – INS Kalvari and INS Khanderi – were commissioned into the Indian Navy on September 21, 2017 and September 19, 2019. Despite enormous challenges faced during the Covid-19 pandemic in 2020-21, it delivered INS Karanj and INS Vela in one calendar year on February 15, 2021 and November 9, 2021, respectively.