1. Department of Periodontology and Oral Implantology, Dental Institute, Rajendra Institute of Medical Sciences, Ranchi, Jharkhand, India
2. Department of Orthodontic and Dentofacial Orthopedic, Dental Institute, Rajendra Institute of Medical Sciences, Ranchi, Jharkhand, India
3. Department of Oral and Maxillofacial Surgery, Dental Institute, Rajendra Institute of Medical Sciences, Ranchi, Jharkhand, India
4. Department of Prosthodontics and Crown and Bridge and Oral Implantolgy, Patna, Bihar, India