1. Global Climate Action at COP 25: Full Programme | UNFCCC, GCA COP 25, 2019. 〈https://unfccc.int/climate-action/events/global-climate-action-at-cop-25-full-programme%20〉. (Accessed 21 March 2021).
2. India | Climate Action Tracker. 〈https://climateactiontracker.org/countries/india/〉. (Accessed 21 March 2021).
3. U. Nations, The Promise Of Solar Energy: A Low-Carbon Energy Strategy For The 21st Century | United Nations. 〈https://www.un.org/en/chronicle/article/promise-solar-energy-low-carbon-energy-strategy-21st-century〉. (Accessed 21 Mar 2021).
4. A. Jaeger-Waldau, PV Status Report 2019, EUR 29938 EN, Publications Office of the European Union, Luxembourg, 2019, ISBN 978–92-76–12608-9 (online),978–92-76–12607-2 (print),978–92-76–14163-1 (ePub), doi:10.2760/326629 (online).
5. Solar cell efficiency tables (version 57);Green;Prog. Photovolt. Res. Appl.,2021