1. Cornea, Ocular Surface, Trauma and Refractive Services, Aravind Eye Hospital and Postgraduate Institute of Ophthalmology, Tirunelveli, Tamil Nadu, India
2. Cataract, Cornea, Refractive Surgery, Trauma, External Disease and Ocular Surface, Aravind Eye Hospital and Postgraduate Institute of Ophthalmology, Pondicherry, India
3. Paediatrics and Strabismology Department, Aravind Eye Hospital and Postgraduate Institute of Ophthalmology, Tirunelveli, Tamil Nadu, India
4. Aravind Eye Hospital and Postgraduate Institute of Ophthalmology, Tirunelveli, Tamil Nadu, India