Hello!

To get admission into UG engineering program, a student needs to give TNEA exam for Anna university. There is no other exam for admission into engineering.

The details for TNEA exam is linked below:

https://www.google.com/amp/s/engineering.careers360.com/articles/tnea-application-form/amp

You can apply even of you're outside Tamil-nadu candidate if you're from other state and you've min 50% (40% for sc/st) in hsc in maths, physics & chemistry.

https://www.google.com/amp/s/engineering.careers360.com/articles/tnea-eligibility-criteria/amp

I hope this helps