1. Medical Officer, Department of Cataract and Refractive Surgery, Trichy, Tamil Nadu, India
2. Medical Officer, Department of Glaucoma and Research, Trichy, Tamil Nadu, India
3. Consultant Optometrist, Department of Optometry and Visual Science, Trichy, Tamil Nadu, India
4. Biostatistician, Department of Statistics, Trichy, Tamil Nadu, India
5. Director, JB Eye Hospital, Salem, Tamil Nadu, India
6. Head of the Department of Cataract and Refractive Surgery, Trichy, Tamil Nadu, India
7. Chief Medical Officer, Mahathma Eye Hospital Private Limited, Trichy, Tamil Nadu, India