1Department of Social Preventive Medicine, Santhiram Medical College/General Hospital, Nandyal, Kurnool (Dist), A.P..
2Department of Forensic Medicine and Toxicology, Rajiv Gandhi Institute of Medical Sciences, Kadapa, A.P..
3Department of Social Preventive Medicine, Santhiram Medical College/General Hospital, NH18, Nandyal, Kurnool, A.P..