TNEA

Hi,
Under normal circumstances, you cannot. The application forms for TNEA are issues after 12th results and so are the counselling based on merit.

Yes, you get ANNA University Of Engineering scholarship.

No, it is not an entrance exam.
It is a procedure for admission in Tamil Nadu engineering colleges only for Tamil Nadu studied students or native of Tamil Nadu students who have done one of the class i.e. Viii, ix, x & xii outside of the state Tamil Nadu.

Yes, you marks is good enough to get the subject according to your interest in SASTRA University.

The authorities concerned will announce the list of participating institutes of TNEA 2018 for candidates who are aspiring to take admission in the undergraduate engineering programmes but VIT university does not come under the participating institute of TNEA so it is not possible. Predict engineering colleges you can get on the basis of your JEE Rank: https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=cconnect&utm_medium=CR_JEECP&utm_campaign=8321427.

It seems you will get a seat there. Kindly quote your JEE Mains score then only I can guide you property.

Hello Sujana,
Yes, you can appear for TNEA. As you have completed your HSC from other state, you may have to apply under other state quota. You can get admission based on your board exam marks and there is no entrance exam.

Hello Animesh,
Yes, you are eligible for TNEA. There is a separate admission process for other state students through which you can apply. There is no entrance exam and so you can get admission with your board exam marks.