IMUCET

Just go through this link and fill out the required details:
https://www.shiksha.com/college-predictor

Hello Ashish, Yes, IMUCET will accept improvement result. As IMUCET held twice in a year ( one is during June and other one during December for August & February batches respectively). I. e conducted by Indian maritime university for undergraduate and postgraduate courses. Hope it helps
Thank you.

Yes, you have to appear for both TIMSAT and IMUCET to be eligible to pursue this course. Shortlisted candidates will be called for the Tolani Maritime Institute of Scholastic Aptitude Test TMISAT based on marks obtained in 10+2 (PCM marks) and Indian Maritime University Common Entrance Test IMUCET rank.

Hello Akash, it's very nice to hear from you that you are interested in knowing past years question papers. Well, there are plenty if sites on the net that can provide you with this information. Some sites charge money while others provide this service free of cost. Best wishes to you.