The line from Salt Lake Sector V to Salt Lake Stadium was inaugurated on 13 February 2020 by Minister of Railways Piyush Goyal after 11 years of construction. Services to Phoolbagan metro station, the first underground station of the line, were extended on 4 October 2020. It was also the first underground station inaugurated in Kolkata after 25 years, since the Mahatma Gandhi Road metro station of Line 1 was the last to open in 1995. The extension added to the existing line.