Pandit Bhagwat Dayal Sharma University of Health Sciences - Department of Pulmonary and Critical Care Medicine, Public Health Foundation of India, Sustainable Development Solutions Network, Delhi, Georgetown University - McCourt School of Public Policy, Indian Statistical Institute, New Delhi - Indian Statistical Institute, Indian Council of Medical Research (ICMR), Population Council, New Delhi, Georgetown UniversityGeorgetown University, DGHS Haryana - Integrated Disease Surveillance Program, DGHS Haryana, Government of Haryana, Government of Haryana, PGIMS - Department of Community Health, PGIMS - Department of Community Health, PGIMS - Dept of Pulmonary & Critical Care Medicine, Population Council, New Delhi and Indian Council of Medical Research (ICMR) - National AIDS Research Institute