hi,

tnea stands for tamil nadu engineering admission , the tnea counselling is conducts by anna university. around 500+ colleges of tamil nadu participate in tnea counselling process. counselling is based on 10+2 course score, and there is no entrance examinations. the education eligibility criteria is Candidates must have passed HSC (Academic: both +1 and +2) or its equivalent examination  with Mathematics, Physics and Chemistry put together. for marine engineering course candidates need to secure 60% marks aggregate in pcb. Further a minimum of 50 % in English either at 10th or 12th standard.

now for other state candidates you must satisfy any of the below mention criteria of nativity to become eligible for tnea counselling,

Children of Central Government Employees (irrespective of their native) whose parents have been serving in Tamil Nadu continuously for the past 5 years

Children of employees in Public Sector or Government recognized Institutions who at the time of submission of application for admission employed in Tamil Nadu continuously for the past five years

Children of All India service Tamil Nadu cadre officers

Other State candidates who have studied VIII, IX, X, XI and XII Std. in Tamil Nadu

follow the below mention link to know about  nativity certificate details,

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