Kosol’s Sunray Brand has been a Success Story in Solar Water Heaters in India By Saur News Bureau/ Updated On Mon, Nov 14th, 2022 AT REI 2022 in Greater Noida’s Expo Centre, India’s renewable energy majors were present in strength this year. SaurEnergy caught up with (Kalpesh Kalthia, CEO of Kosol Energies) to know more about their plans and expectations. Tags: Kalpesh Kalthia, Kosol Energies, REI 2022, Renewable Energy, Solar Products, Solar Water Heaters