NTPC Vidyut Vyapar Nigam (NVVN) has invited bids to develop 2.115 MW of grid-connected rooftop solar projects at the All India Institute of Medical Sciences (AIIMS) at Deoghar in Jharkhand, Gorakhpur in Uttar Pradesh, and Patna in Bihar. The total capacity of 2.115 MW will be installed across three sites: 897 kW at AIIMS Deoghar, 858 kW at AIIMS Gorakhpur, and 360 kW at AIIMS Patna.