SASTRA (Deemed to be University)

Yes you can get, if falls under the merit list. The SASTRA have two admission streams known as Stream-1& 2. Stream-1 is based on JEE Main score + 12th marks and 70% of seats will be filled under this stream-1.
Stream-2 is another entrance method which is purely based on 12th marks. The minimum required aggregate percentage for stream-2 is 60% for PCM. Here 100% weightage are given to 12th marks.
So you can apply here through Stream-2.

You can directly contact the college for details about if there is any chances of admission without filling the form

https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
You can try this link once. Next counselling will happen or not nobody knows but can expect. However you can go directly to your preferred college for admission with your rank card. May be there will be a seat waiting for you. Good Luck. :)

It is not possible to get admission in this college with your percentile. But, you can try for the other private colleges.

Hello,
Refer the college predictor link to predict the colleges you may get:
https://www.shiksha.com/law/resources/clat-college-predictor

There are approximately 250 seats available in this college.

100% sure you will get a seat. Sure

 There are limited slots are available in Sastra University. May be 50-60 slots are available. Competition for this slots is high. Best of luck.