Hai, Pradeep,

As you have completed your VII, XI, X, XI, XII grades in school is located in Tamilnadu, you are perfectly eligible for applying TNEA counselling process. You do not require to produce Nativity Certificate during application as you have completed your schoolings in Tamilnadu. For any other criteria requirements, details look up the following link

https://engineering.careers360.com/articles/tnea-eligibility-criteria

All the best for your admissions