B.Tech Eligibility

Please visit this site first
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&ved=2ahUKEwjd0NzModzhAhUZfSsKHfLtA6UQFjAAegQIBBAB&usg=AOvVaw1N9BzFtyUCP4JU-2UQHQ0H

Hello Gayathri,
You have indeed scored very handsomely in your 12th examination. If one looks at only these marks then I am sure you will definitely get admission in one of the engineering colleges in Tamilnadu Through Anna University. However there are some other criterias for admissions also. I am attaching a link that will give you all the required information about different aspects of eligibility criterias and the process of admission via Anna University in the state of Tamil Nadu.
https://www.shiksha.com/university/anna-university-chennai-3084/admission
Best wishes to you.

Yes, you can easily get admission in this college with this score and under this quota. But, you should try for the other good colleges of GFTIs, IIITs and other private colleges as your score is quite good.

Yes, you can easily get admission in these colleges with this score and under this quota. But, you should try for the other good colleges of Delhi like DTU and other private colleges as your score is quite good. As DTU is better than NIT Delhi.

Yes, you can easily get admission in SASTRA with this score.

Hello Kruthi,
IIIT HYDERABAD is in news these days with newspapers claiming that median CTC obtained by it's students is higher than it's peers. As already announced by NTA, your best if the two score will be valid for ranking and hence my heartiest congratulations to you for obtaining percentile score of above 99. With this percentile, be assured that will definitely be admitted in this institute.
Best wishes to your dreams of admission in IIIT Hyderabad.

Yes dear. You will get admission there if they are providing lateral entry. Although you scored a good percentage. Kindly visit their official website.

You have not specify about the marks obtained in 12th. However the admission in SASTRA are based on the following two streams as under.
1. Stream-1: JEE Main marks + 12th Marks ; 70% of seats will be filled through this stream, Under this stream the weightage of JEE-Main marks is 25% and for 12th marks 75%.
2. Stream-2 : Marks obtained in 12th; 30% of seats will be filled through this stream. The obtained marks will be normalized with respect to the topper of each educational board.