Hello,
Congratulations,
If I consider the previous year data .Then you have very good chances of getting admission in any of the government colleges in tamil nadu through state quota .since you have scored very decent marks ,so You can also get government college in any other state of india through all india quota.
Browse the link given below for detailed information.http://www.medicine.careers360.com/articles/neet-cutoff-tamil-nadu/amp
Good luck

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