Pipavav Power Development Company Limite D · Ntpc Ge Power Services Private Limited · Ntpc Hydro Limited · Ntpc Limited · Ratnagiri Gas And Power Private Limited · Souvenir Estates Private Limited · Anushakti Vidhyut Nigam Limited · Nsl Nagapatnam Infrastructure Private Limited · Westend Real Projects (India) Private Limited · Nsl Renewable Power Private Limited · Nsl Orissa Power And Infratech Private Limited · Parbati Koldam Transmission Company Limited · Transformers And Electricals Kerala Ltd · Nsl Nagapatnam Power And Infratech Limited · Ntpc Sail Power Company Limited · Pan Asian Renewables Private Limited · Nsl Andhra Power Private Limited · Ambient Infratech Private Limited · Nsl Conventional Power Private Limited