The Union Cabinet chaired by Prime Minister Shri Narendra Modi has given its ex-post facto approval for entering into Headquarters (Host country) Agreement between India and the International Solar Alliance (ISA) and authorizing the Ministry of External Affairs for signing the Headquarter Agreement. The Agreement was signed on 26th March 2018.

The Headquarters Agreement will institutionalize the functional arrangements between India and ISA. It will help in the smooth transition of ISA as an international inter-governmental organization. Creation of ISA will lead to accelerated solar technology development and deployment in ISA member countries including India.