B.Tech

I would definitely go with the name UEM, Kolkata as it fulfills your requirement of placement and has best infrastructure. To know more about the college visit here:
https://www.shiksha.com/university/university-of-engineering-and-management-kolkata-47398

Both the universities are good and government recognized. Both have good infrastructure and faculty team. Visit their official websites and check last few years’ placement records.

You rank is less so you should look for colleges which have options for lateral entry or have their own set of criteria for admission and is good for placements. I would suggest you UEM, Kolkata and to get a glimpse of the college and its admission process try visiting:
https://www.shiksha.com/univer

B.Tech CSE is the first priority. If you are getting IITs, NITs, VIT, BITS-Pilani or other top institutes then B.Tech CSE is the best otherwise you can go for BCA.

B.Tech is just a new version of BE but it is the difference like BE is more like theory type and B.Tech has both exposure to industry’s theory and practical.

You can go for M.Tech in mechanical engineering or M.Tech in Marine Engineering or something like that.

Instead of NIT, Tadepalligudem I will suggest you to go for IIIT, Bhuvneshwar.

Percentage for direct second year or lateral entry into the B.Tech course requires minimum percentage of 60% in your diploma in Engineering and secondly donation is the amount that some colleges take from the students but not all colleges or universities donation amount really where is but college f

You can take lateral entry admission in various colleges or universities, if you have cleared diploma with 60% marks. You can look for Acharya Institute-Bangalore, DTU-Delhi and LPU-Jalandhar.