Sarkar, Avir, Kallol Kumar Roy, Rinchen Zangmo, Aarthi K. Jayraj, Durga Kaushik, and Rakhi Rai. 2022. “Reaching the One Billion Mark: Accomplishing the Success Story of COVID Vaccination through Public Interrogation”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 11 (5):1521-24. https://doi.org/10.18203/2320-1770.ijrcog20221287.