Colleges in West Bengal

No, with 38 marks, your rank won't be around 1.5 k -1.6k, so you don't have chance to get admission in ECE in Jadavpur University.

If I'm not wrong, then there's no specific seat for OBC. You have to apply as general category and hence to get CSE your rank must be less than 90.

WBJEE rank is not required to get admission in IIEST Shibpur. It is considered in case of Jadavpur University.

You can try for the new government engineering colleges, like the Coochbehar and Purulia.

Sorry to say, but civil trade is closes by 150-200 GMR (general merit rank). So, with your rank you couldn't get civil in Jalpaiguri Government Engineering College.

Yes, you can get transferred but only after getting the NOC from both colleges. One more thing in which college you want to transfer. There should be some seats vacant. Then only you can take transfer in that college otherwise not possible.

Yes, you can prepare to become a pilot.
You need to understand that pilot training is governed and regulated by DGCA and it is irrespective of the flying school you choose to train with. For becoming a commercial pilot, there is a specific eligibility criterion, which you should first be aware of. T

Yes, there is an average probability that you will get Techno India, Salt Lake.

I would prefer you opt for NSHM as this college is far better then iLEAD as in NSHM the faculty and study curriculum is too good as compared, but you can go and visit both the campuses and see all the things that you want to get and then choose wisely.