1. Department of Community Medicine and School of Public Health Postgraduate Institute of Medical Education & Research Chandigarh India
2. Unit of Public Health & Preventive Dentistry, Oral Health Sciences CentreI National Resource Centre for Oral Healthcare of Children & Elderly Postgraduate Institute of Medical Education & Research Chandigarh India
3. Head, Oral Health Sciences Centre Postgraduate Institute of Medical Education & Research Chandigarh India