Tripathi , Sandeep, and Monika Thakur. 2018. “Rooftop Solar Photovoltaic for CSIR-NPL at New Delhi: A Case Study”. International Journal on Future Revolution in Computer Science &Amp; Communication Engineering 4 (8):72 -. https://www.ijfrcsce.org/index.php/ijfrcsce/article/view/1723.