Dear candidate

Statistics like how many candidates applied from state,how much appeared and how many get qualified are declared by NTA after neet result declaration. This year total number of registrated not have been declared yet by NTA.

Previously, i.e, neet 2020 as many  as 15,97,435 aspirants had registered and filled the NEET application form out of which 13,66,945 aspirants have appeared for the exam from all over India.

Last year from tamil nadu

Tota no. Of candidates registered were 1,21,617.

No. Of candidates appeared for exam was 99,610

No. Of candidates qualified neet 57,215

These are last year data for tamilnadu state.

This year will be realised by NTA on official website after neet result declaration.

If you are asking about how may apply for college admission. Then after neet result declaration state counselling happens for 85% state quota seat by state counselling authority. Directorate of Medical Education (DME), Tamil Nadu will conduct Tamil Nadu MBBS 2021 counselling in an offline mode on the basis of NEET 2021 . Registration for state counselling will start after the neet result declaration only. You can visit link below for details

https://www.google.com/amp/s/medicine.careers360.com/articles/tamil-nadu-mbbs-counselling/amp

Hope I May have resolved your query

All the best !!