ZunRoof, an Indian solar rooftop startup, has raised ₹16.6 million ($0.25 million) in second round of angel funding from I3N (intellecap impact investment network) led by Pradeep Tharakan, senior energy specialist at Asian Development Bank (ADB), Vismay Sharma, managing director at L’Oreal (UK & Ireland), Ajith Pai (Paipal Ventures), Gaurav Gupta (Asia Director, Dalberg Advisors) and a group of IIT Kharagpur alumni based in the U.S.