Hey Manasa,

Hope you are doing well!

Well dear with a score of 415 getting a government medical college in Tamil Nadu is quite difficult.You may keep applying and get selected in any round that is a differnt thing.

Also,I am providing you with the link of the college predictor that will help you in finding all the possible colleges under your rank:

https://medicine.careers360.com/neet-college-predictor

Hope this was helpful!

All the best!

Keep Smiling :p