JEE

You should get more than 200, because they will give more preference to Maths, so concern more in Maths.

If you want to take admission in this university then you have to apply online on their website and then you can easily get admission in this college.

Hello,
JEE is Joint Entrance Exam is an entrance exam for engineering after class 12th science while UPSC is Union Public Service Commission. It is an exam conducted by the Government of India for different governmental posts like IAS, IPS, IRS, & many more. One can't compare the level of JEE and UPS

The pros are that in the 4 years of your tenure you won't feel bored in this college and the cons is that there are zero placements for some branches.

You should opt for UPES as in IPU, getting any good college at this rank for an outside Delhi student is not possible.

No, JEE is not required for Marine Engineering. After IMU was established in 2008, it started conducting it's own entrance exam IMUCET. So, one needs to appear for CET now only to get admitted to affiliated colleges of IMU.

No, it is not possible. You have to appear for the exam again and that score that you get will help you to get admission.

The cut off of all the paper changes every year. And for this paper, the cut off for the 2017 is around above 15k rank.

There are lot of those type of colleges in India. Some of the best college are the VIT, SRM, BITS, KIIT etc. You can apply in these colleges to get admission.

No, you can't be able to get admission in this college with this score, if you don't have domicile of Maharashtra, if you get that, then there are chances of getting admission in this college.