If you're targeting an NRI quota seat for Ophthalmology (MS or Diploma), Puducherry is more promising especially at Aarupadai Veedu Medical College, MGMC & RI, and Vinayaka Missions Medical College, each offering specific NRI seats. In Tamil Nadu, while NRI seats do exist for PG courses including Ophthalmology, they are rare typically only one seat in select self-financing colleges.

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NRI quota Ophthalmology seats in Tamil Nadu:
- MBBS (UG): NRI quota only available in private or deemed colleges not in government colleges. There are 950+ MBBS seats in Tamilnadu that are reserved for NRI Quota under 30+ private and deemed colleges.
- MS Ophthalmology (PG) : Under NEET-PG counselling there's only 1 NRI seats available for MS Ophthalmology in Tamil Nadu and it's very limited and highly competitive.

NRI Quota Ophthalmology Seats in Puducherry:
- MBBS: JIPMER a government college have 5 NRI seats and Indira Gandhi Medical college a government one have also 5 NRI seats. There are some private and deemed colleges also that have reserved seats for NRI quota.
- MS Ophthalmology: there is at least 1 NRI seat listed for Ophthalmology in government college, but there can be other seats in private and deemed colleges.