Thanjavur

Sastra University, located in Thanjavur, Tamil Nadu, India, is known for its academic excellence in various fields of study. The university has been accredited with an 'A' grade by the National Assessment and Accreditation Council (NAAC) and has been ranked as one of the top universities in India by various agencies. Sastra University has a strong focus on research and innovation, and its faculty members are highly qualified and experienced. The university has collaborations with leading universities and research institutions around the world, which provides students with a unique opportunity to gain exposure to different cultures and research methodologies. The university offers undergraduate, postgraduate, and doctoral programs in various fields, including engineering, Science, management, law, humanities, and arts. The curriculum is designed to provide students with a broad-based education that prepares them for successful careers in their chosen field. Overall, Sastra University is a well-regarded institution of higher learning that provides students with a quality education and opportunities for personal and professional growth.

There is no such criteria (minimum JEE marks) for admission in to SASTRA university. SASTRA university has a separate procedure through stream 1 and stream 2 .
Stream 1
70 percent seats of every branch are filled through stream 1 based on 12 th percentage ( 75 percent after normalisation ) + JEE mains score ( 25 percent )
For example
12 th percentage - 88 (CBSE) and JEE mains score is 80 .
Normalised percentage of board would be as follows
88 * 100/98.6 = 89.25
(Assuming percentage of topper is 98.6 )
Now 89.25 * 0.75 + 80 * 0.25 =86.94
This is your final score . AIR (SASTRA) is prepared based on this final score . There is a chance AIR up to 4000 .
If someone is a topper of board exam and his JEE mains score is 40 then final score would be 85 and AIR (SASTRA) would be above 5000 . It proves that there is no chance for JEE mains score below 40 in stream 1 .
Stream 2 .
30 percent seats of every branch are filled through stream 2 based on 12 th percentage .
There is very less chance for percentage below 95 in stream 2 .
I know your chances are less but your intermediate marks is good so you still stand a chance to get admission through stream 1.

For getting CSE at SASTRA one has to score above 95% in 12th and above 93 percentile in JEE Main. However you can get other engineering branches there. Since You Haven mentioned your category I am assuming that you are a general. In general category one have to score 50 percentile l for qualifying the JEE Main. Examination. You can apply for any stream. To get CSE in Sastra University your rank must be under 500 in stream 1 or 2. Though the cut-off rank varies every year, still you should have a rank under 500 to definitely get CSE in Sastra University. According to your percentile, your rank in JEE Main. Is going to be above 1,00,000. Programmes at SASTRA for which 25% weightage will be given along with the +2 marks for which the weightage given is 75%. This is for 70% of the total seats. They need to enter their JEE Main scores, whatever the scores are. Based on the information you have less chances for getting admission for CSE at sastra University.

In terms of fees, SASTRA Deemed University has higher fees than Chennai Institute of Technology. The total fees at SASTRA are more than 6 lakhs, whereas at CIT they are around 2 lakhs for CSE.
However, placement opportunities at SASTRA have been comparatively better, with students being placed in companies such as PayPal with a salary package of 24 LPA.
CIT also offers placement services for CSE, and its placement rate is around 92 percent. If you go by the NIRF ranking, SASTRA has the upper hand, being ranked 41st, whereas CIT is placed at 175th.
Also, SASTRA has around 300 seats in the CSE branch, whereas CIT has just 180 seats.
At SASTRA, academics are given more focus than extracurricular activities, and at CIT, you will have the opportunity to be part of events and festivals like Takshashila Fest.
Therefore, depending upon your preference, you can go to either of them.