Copper, Indium, Gallium and Selenium (CIGS) technology based Solar Photovoltaic Modules for low light and all weather operation in day time for Alternative and renewable green power generation October 22, 2018 Anand Gupta 00012 Tenders Copper, Indium, Gallium and Selenium (CIGS) technology based Solar Photovoltaic Modules for low light and all weather operation in day time for Alternative and renewable green power generation For more information please see below link: Read more Ministry of Railways Issue Tender for Supply of solar power plant at Station/Service buildings at different locations over Varanasi, Prayag, Jaunpur, Sultanpur – EQ