Subba Rao, R, Y Jagannadhapuri, K M. Ganes, and D V. Ramanamurthy. “Demographic Projections for India: Past, Present and Future”. International Journal of Engineering and Technology 7, no. 3.31 (August 24, 2018): 174–178. Accessed August 16, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/18293.