Tripura University

Tripura University accepts various entrance exam scores for admission to its courses. For undergraduate and integrated courses, the university conducts the Tripura University Entrance Test (TUET) for admissions. Candidates need to score qualifying marks in TUET and 50% marks in the 12th exam. For some courses, CUET UG and PG scores are also required. For admission to the MBA program, the university accepts the scores of MAT, XAT, CAT, and CMAT.

The latest cutoff for the year 2023 is For round 1 is 83.
As such more detailed cutoff isn't available, you can still go through the college and know more. Cutoffs are subject to hange with respect to the course opted and the year admission sought in.

The minimum marks for eligibility is 50% for General category and for the reserved category you still need to have 45% aggregate in your pcm in 10+2. 
Students in their final year can also apply.

Entrance exam has to be given in MAT/ XAT/ CAT/ CMAT.

The university also conducts TUET exam.

Yes as the eligibility criterion is to have 50% in 10+2 in pcm from any recognised board. 
You are now eligible but you still need to crack the entrance exam or get admission through merit list.

You need to give the JEE exam.