1. Public Health, IQVIA Consulting and Information Services India Pvt. Ltd., New Delhi 110001, India
2. Centre for the Study of Regional Development, School of Social Sciences-III, Jawaharlal Nehru University, New Delhi 110067, India
3. Population Research Centre (PRC), Gokhale Institute of Politics and Economics, Pune, Maharashtra 411004, India
4. Department of Humanities and social sciences, Indian Institute of Technology (IIT), Roorkee, Haridwar, Uttarakhand 247667, India