IMU CET

You are eligible for following courses of IMUs as under, because the other courses required 60% aggregate marks in PCM.
1. 3 Year B.Sc. (Ship Building and Repair) Offered only in one Affiliated Institute
Eligibility criteria : 10+2 or equivalent (PCM - 50% average and minimum of 50% marks in English

If you are BC, SC /ST government will provide the scholarship up to this only.

The Graduate Marine Engineering (GME) course provides mechanical engineering graduates an opportunity to take up one year course and enter merchant navy by becoming a marine engineer.
In order to become a marine engineer after doing mechanical engineering, one needs to do a compulsory 1-year Graduate

Yes, to get an admission in Tolani Maritime Institute (TMI), you have to appear in both IMUCET and TMISAT.
IMUCET helps you get through all the government IMU campuses on the other hand TMI, which is a private institute conducts it's own separate Computer Based Test which majorly contains questions f

Here are the complete details about the IMUCET:
https://www.shiksha.com/university/indian-maritime-university-Chennai/imucet-exam
Kindly follow the link to get all the official information.

You can visit the link to get information about it:
https://www.shiksha.com/college/samundra-institute-of-maritime-studies-lonavla-pune-21748
All the best.