Manoj Kumar and Rajesh Kumar, Perspectives of Renewable Energy in 21st Century in India: Statistics and Estimation. journal = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2017, vol. 126(6). 747 - 755 [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10007695.