1. World Health Organization. Timeline: WHO's COVID-19 response. Geneva: World Health Organization; 2021. Available from: https://www.who.int/emergencies/diseases/novel-coronavirus-2019/interactive-timeline/#. [Last accessed on 2022 Jan 12].
2. Ferguson NM, Laydon D, Nedjati-Gilani G, Imai N, Ainslie K, Baguelin M, et al. Impact of non-pharmaceutical interventions (NPIs) to reduce COVID-19 mortality and healthcare demand. London: Imperial College; 2020. Report number 9. Available from: https://www.imperial.ac.uk/media/imperial-college/medicine/sph/ide/gida-fellowships/Imperial-College-COVID19-NPI-modelling-16-03-2020.pdf.
3. Regan H, Mitra E, Gupta S. Millions in India under coronavirus lockdown as major cities restrict daily life. CNN; 2020. Available from: https://www.cnn.com/2020/03/23/asia/coronavirus-covid-19-update-india-intl-hnk/index.html.
4. United Nations. COVID-19: Lockdown across India, in line with WHO guidance. UN News; 2020. Available from: https://news.un.org/en/story/2020/03/1060132.
5. Express Web Desk. Unlock 4.0: Full guidelines issued by different states. The Indian Express; 2020. Available from: https://indianexpress.com/article/india/unlock-4-0-guidelines-here-is-whats-allowed-whats-not-6576059/.