Colleges in West Bengal

IIEST is better than IIIT Bhubaneswar.

Hello Amrapali,
If you are interested in further studies, NIT Durgapur is a better option as it provides better quality of education at a comparatively much reasonable fees compared to KIIT. So, you can easily pursue higher studies without spending too much. However, if you are interested in job placements after completion of engineering, you should opt for KIIT University, Bhubaneshwar as it provides better placement opportunities.
I hope this answers your question to your satisfaction. If so, kindly upvote this answer. If you have any further questions, kindly revert.

Age is never a issue, you can study at any age, I request you to please check on IGNOU's website for Distance course in statistics, all the best for future.

You can consider IBS, Kolkata as ICFAI Group is doing well and placement is also decent as compared to your other options.
All the best.

Dear Ashish Kumar,
Based on information, BBA getting good number of companies that are coming up, you can prefer the same.
All the best and do well.

BIBS is affiliated to Vidyasagar University, a state government university approved by UGC and AICTE.