New Delhi, India has reported a 47 per cent fall in solar installations at 5.6 GW during January-September 2023, amid delay in project execution, according to research firm Mercom India. The installations were also down in the July-September quarter this year at 1.9 GW, a 34 per cent fall, over 2.8 GW solar capacity installed in the same period a year ago, the research firm said.