1. Annual Report 2020-21. Ministry of Health and Family Welfare. Government of India. Available from: https://main.mohfw.gov.in/sites/default/files/Annual%20Report%20202 0) 21%20English.pdf. [Last accessed on 2022 Jan 01].
2. Annual Report 2013-14. Ministry of Health and Family Welfare. Government of India. Available from: https://nhm.gov.in/images/pdf/media/publication/Annual_Report-Mohfw.pdf. [Last accessed on 2022 Jan 01].
3. Child mortality. Levels and trends in child mortality. UNICEF Report 2020. Available from: https://www.unicef.org/media/79371/file/UN-IGME-child-mortality-report-2020.pdf.pdf. [Last accessed on 2022 Jan 01].
4. Paul VK, Bagga A. GHAI Essential Pediatrics. 9th ed. New Delhi: CBS Publishers & Distributors Pvt Ltd.; 2019.
5. Park K. Park's Textbook of Preventive and Social Medicine. 26th ed. Jabalpur: M/s Banarsidas Bhanot; 2021.