Over 1 lakh Delhi households register for free rooftop solar under PM Surya Ghar scheme; up to 3kW systems, Rs 1.6 lakh subsidies, 2.3 lakh in phase 1. Delhi rooftop solar registrations cross one lakh under PM Surya Ghar, with subsidies of up to Rs 1.56 lakh for eligible systems. Delhi CM Rekha Gupta announces over 1 lakh registrations for PM Surya Ghar rooftop solar scheme.