The department of development studies was established in 1985 when the Institute was granted the Deemed University status by the University Grants Commission. The faculty members of the department teach courses, including population and development, population and sustainable development, research methodology, population ageing and health transition, gender issues in population studies, global health, application of statistical and demographic packages, and demographic methods to Master’s, MPhil and PhD research students. The department faculty conducts research in diverse research areas that include population and development, fertility and mortality analysis, population ageing, population and the environment, public health and epidemiology, and gender issues and nutrition. The department faculty members are principal or co-principal investigators of research projects on historical trends in population and development indicators, daughters only families in India, and large-scale nationwide studies. These nationwide studies include Longitudinal Ageing Study in India (LASI); Harmonized–Diagnostic Assessment of Dementia (DAD) of LASI; Measuring and Correcting Visual Acuity Among Older Persons; and Measuring the Impact of Visual Improvement on Social and Economic Wellbeing; Study of global AGEing and adult health (SAGE) - wave-1, wave-2, and wave-3; and Unintended Pregnancy and Abortion in India. The department faculty members served as consultants or advisors to WHO, UNFPA, UNICEF, Harvard T. H. Chan School of Public Health, University of Southern California, NIFT and are members of Ministerial committees of Government of India, technical advisory committees of various national and international organizations.