Hello Sir,
Without having the domicle, she is not eligible for its state counseling but yes, she can apply under All India Quota if she meets the cut off as residential proof of Tamil Nadu is not required for the same.
To check the complete detail about NEET 2018 counseling, you can go through the below link -
https://medicine.careers360.com/articles/neet-counselling
Good Luck!!!
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