India, Aug. 14 -- Prime Minister Narendra Modi is likely to launch three metro sections in and around Kolkata on August 22.

The Sealdah-Esplanade stretch lies on the Green Line, which is reportedly the nation's first underwater metro. With the inauguration of this stretch, the entire Green Line will become operational, connecting West Bengal's IT hub at Salt Lake Sector V in North 24 Parganas with Howrah.

At present, the Green Line is operational in two disjointed sections - Howrah Maidan-Esplanade and Sealdah-Salt Lake Sector V.

The Beleghata-Hemanta Mukhopadhyay section falls on the Orange Line, which runs along the EM Bypass. The stretch between New Garia and Ruby crossing is already operational. The new stretch will further benefit...