Indian Railways is actively committed to reducing its carbon footprint and aims to achieve 'net zero' carbon emissions by 2030. As part of this endeavour, the Kolkata Metro has recently taken steps to install solar power plants on the rooftops of various locations within its network. At present, the Metro Railway is generating 2189.50 Kwp of solar power. Specifically, 657 Kwp solar power plants have been installed along the North-South Corridor, 1519 Kwp solar power plants along the East-West Corridor, and 13.5 Kwp solar plants at Tapan Sinha Memorial Hospital of Metro Railway. Solar power plants have been successfully installed at seven metro stations, namely Noapara, Dum Dum, Mahanayak Uttam Kumar, Kavi Subhash, Salt Lake Sector V, Central Park Station, and Central Park Depot.