1. Department of ENT, Mamata Medical College, Khammam, Telangana, India
2. Department of ENT, NRI Institute of Medical Sciences, Vizag, AP, India
3. Department of Obstetrics & Gynecology, Vishwabharathi Medical College, Kurnool, Andhra Pradesh, India
4. Department of Pharmacology, Mamata Medical College, Khammam, Telangana, India