West Bengal Green Energy Development Corporation Limited · The Durgapur Projects Ltd · Basumati Corpn. Ltd. · West Bengal Film Development Corpn Ltd · West Bengalstate Electricity Distribution Company Limited · West Bengalstate Electricity Transmission Company Limited · West Bengal Housing Infrastructure Development Corporation Limited · U74140 Wb1997 Ptc084422 · L70101 Wb1999 Plc089276 · U40102 Wb1961 Ptc025250 · U99999 Wb1975 Plc029856 · U92112 Wb1983 Plc032841 · Bengal Birbhum Coalfields Limited · The West Bengal Power Development Corporation Limited · West Bengal Infrastructure Development Finance Corpn Ltd (Wbgovt Company)