1. Department of Prosthodontics, Centre for Dental Education and Research (CDER), All India Institute of Medical Sciences (AIIMS), New Delhi, India
2. Department of Dental Surgery, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
3. Vice Chancellor, GGS-Indraprastha University, Department of Prosthodontics and Crown & Bridge Dentistry, Professor Emeritus, Maulana Azad Institute of Dental Sciences, New Delhi, India