Ranjan, A. ., Ayub, A., Kumar, A., Pandey, S., Kumar, P., & Agarwal, N. (2020). Impact of Lockdown 1.0-4.0 on spread of COVID-19 Pandemic in India. Indian Journal of Community Health, 32(3), 598–600. https://doi.org/10.47203/IJCH.2020.v32i03.025