FILE PHOTO: Workers install photovoltaic solar panels at the Gujarat solar park in Charanka village in Patan district of the western Indian state of Gujarat April 14, 2012. REUTERS/Amit Dave/File Photo
FILE PHOTO: Workers install photovoltaic solar panels at the Gujarat solar park in Charanka village in Patan district of the western Indian state of Gujarat April 14, 2012. REUTERS/Amit Dave/File Photo