1. Former-Department of Public Health Dentistry, Maulana Azad Institute of Dental Sciences, New Delhi, India
2. Department of Public Health Dentistry, Government Dental College and Research Institute, Bengaluru, Karnataka, India
3. Department of Public Health Dentistry, Srirama Chandra Bhanja Dental College and Hospital, Cuttack, Odisha, India
4. Department of Dentistry, Shaikh-Ul-Hind Maulana Mahmood Hasan Government Medical College, Saharanpur, Uttar Pradesh, India,