He is a trained demographer whose work focuses on social determinants of health and survival, maternal and child health and gender. He teaches population and development, public health, epidemiology and health policy. He has been involved in the conceptualization, design and execution of research studies concerning the broad themes of strengthening health systems, service delivery models, maternal and child health, and public health nutrition. Dr. Singh did his PhD from IIPS, Mumbai and Post-doctorate from Max Plank Institute of Demographic Research, Germany. He is recently awarded Max Plank-India Mobility Fellowship from Max Plank Society, Germany. He has published several research articles, opinion pieces and commentaries in reputed national and international journals.