1. Department of Anthropology, Division of Human Genetics, Sri Venkateswara University, Tirupati, Andhra Pradesh
2. Department of Biochemistry, Saveetha Medical College & Hospital, Faculty of Medicine, Saveetha University, Saveetha Nagar, Thandalam, Chennai, Tamilnadu
3. PremanandaAllergy and Chest Hospital, Tirupati, Andhra Pradesh
4. Anthropological survey of India, Southern Regional Centre, Bogadi, Mysore, Karnataka; India