1. Senior Resident, Patna Medical College and Hospital, Bihar, India
2. ECHS Polyclinic, Samastipur, Bihar, India
3. Department of Dentistry, Saraswati Medical College, Unnao, Uttar Pradesh, India
4. Periodontist and Oral Implantologist, Narwana, Haryana, India
5. ECHS Polyclinic, Ara, Bihar, India
6. CDCRI, Rajnandgaon, Chhattisgarh, India