1. Centre for Sight, Safdarjung Enclave, New Delhi, India
2. VR and Uvea Services, Sadguru Netra Chikitsalaya, Chitrakoot, Madhya Pradesh, India
3. Department of Ophthalmology, Command Hospital (CC), Lucknow, Uttar Pradesh, India
4. Department of Ophthalmology, Military Hospital, Bathinda, Punjab, India