Heyy Anagha....

The MS ophthalmology course provided by the Arvind eye hospital has 12 seats every year. So you need to apply accordingly to get admission into the institute. And as for the fees it's varies as since many factors comes into picture like your Rank and category you belong , your +2 marks as well apart from the govt medical colleges you will need to pay in lakhs minimum.

Hi anagha joy 

Now i am providing one link for you it helps you to know about total information about college and also fee structure 

https://www.careers360.com/colleges/aravind-eye-hospitals-and-postgraduate-institute-of-ophthalmology-madurai/ms-ophthalmology-course

If you have any doubts drop out in comment section 

Thank you::)