Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 43 8 2014 08 15 Social security: offering welfare opportunities for the vulnerable people 1150 1 Saurabh Shrivastava Dept. of Community Medicine, Shri Sathya Sai Medical College & Research Institute, Kancheepuram District , Tamil Nadu, India. Prateek Shrivastava Dept. of Community Medicine, Shri Sathya Sai Medical College & Research Institute, Kancheepuram District , Tamil Nadu, India. Jegadeesh Ramasamy Dept. of Community Medicine, Shri Sathya Sai Medical College & Research Institute, Kancheepuram District , Tamil Nadu, India. 2015 10 15 - https://ijph.tums.ac.ir/index.php/ijph/article/view/3919 https://ijph.tums.ac.ir/index.php/ijph/article/download/3919/3580