The correct option is C India and France
Prime Minister Narendra Modi and French President Emmanuel Macron co-chaired the first Founding Conference of International Solar Alliance (ISA) at the Rashtrapati Bhawan Cultural Center in New Delhi on March 11,2018. The purpose of the summit is to focus on various aspects of promoting solar energy in 121 countries that are part of the International Solar Alliance. The summit was attended by United Nations Secretary-General Antonio Guterres, Venezuelan President Nicolas Maduro and Bangladesh President Abdul Hamid among other dignitaries from over 50 countries. The ISA is the first treaty-based intergovernmental organisation to be based in India that aims to help sunshine-rich developing countries to tap solar energy at more affordable prices.