The correct option is B France
India and France co-hosted the first International Solar Alliance (ISA) summit at Rashtrapati Bhavan in New Delhi on 11th March 2018, where at least 10 heads of state are expected were present. The ISA will see representation from over 120 countries and multilateral bodies like the United Nations, World Bank and Asian Development Bank (ADB). The ISA is a treaty-based international body for promotion of solar energy in alliance with 121 countries, which are lying fully or partially between the Tropics of Cancer and Capricorn. The summit discussed various projects being prepared by different countries in areas including rural electrification, off grid solar, water supply and irrigation.