AK Singh, CMD, NHPC and others releasing special issue of ‘Enertia’ Journal. By Daily Excelsior - July 11, 2021 Share FacebookTwitterWhatsAppPinterestLinkedinTelegramEmailTumblrReddItPrintKoo AK Singh, CMD, NHPC and others releasing special issue of 'Enertia' Journal. AK Singh, CMD, NHPC and others releasing special issue of ‘Enertia’ Journal. Follow our WhatsApp channel