1. Tutor, Department of Community Medicine, Sri Krishna Medical College, Muzaffarpur, Bihar, India.
2. Assistant Professor, Department of Community Medicine, Nalanda Medical College & Hospital, Patna, Bihar, India.
3. Assistant Professor, Department of Community Medicine, Sri Krishna Medical College, Muzaffarpur, Bihar, India.
4. Associate Professor & HOD, Department of Community Medicine, Sri Krishna Medical College, Muzaffarpur, Bihar, India.