Explanation:

International Solar Alliance:

• International Solar Alliance is an Indian initiative that was launched by the Prime Minister of India and the President of France on 30th November 2015 in Paris, France on the side-lines of the Conference of the Parties(COP-21), with 121 solar resource-rich countries lying fully or partially between the tropic of Cancer and tropic of Capricorn as prospective members.
• Objective: To collectively address key common challenges to the scaling up of solar energy in ISA member countries.
• Members: Till now, 87 countries have signed the Framework Agreement of the ISA including the United States, United Kingdom, United Arab Emirates, Suriname and of these 67 have deposited their instruments of ratification. Nicaragua, a Central American country is the 87th and the latest country to sign the agreement.
• The Government of India has allotted 5 acres of land to the ISA in National Institute of Solar Energy (NISE) campus, Gurugram and has released a sum of Rs. 160 crore for creating a corpus fund, building infrastructure and meeting day to day recurring expenditure of the ISA up to the year 2021-22.