Prioritizing Clean Energy and Climate Cooperation with India Act of 2020 This bill establishes the U.S.-India Clean Energy and Power Transmission Partnership, which shall serve as the primary forum and funding mechanism for U.S.-India cooperation on clean energy and energy transmission technology matters. The U.S. Agency for International Development and the Department of State shall report to Congress a comprehensive multiyear strategy for implementing the partnership. The bill requires programs to promote U.S.-India partnerships in (1) research and innovation for clean energy technologies and expanded power transmission and distribution, (2) initiatives for promoting clean energy technology financing in India, (3) initiatives for providing technical assistance for grid improvement and energy efficiency in India, and (4) initiatives to develop new renewable energy generation capacity in India. The U.S. government shall also work cooperatively with India's government on integrating scientifically supported climate change risk reduction and building resilience capacities in India. The President shall report to Congress on the scope and nature of U.S. participation in Mission Innovation, an India-led global initiative to increase the pace of clean energy innovation.