B.Tech

Yes, there are many job opportunities after doing BCS. The soul truth is degree of B.Tech (CSE) and BCS and MS, both are equivalent to each other. If you do BCS from a college like VIT, Vellore or Bhartiya Vidyapeeth, Pune. You will get good exposure as well.

Check this link. https://www.shiksha.com/b-tech/colleges/b-tech-in-computer-science-engineering-colleges-lucknow

Yes, but after mechanical engineering you have to do a one year Graduate Marine Engineering (GME) course which would give you license to enter in Marchant Navy.

Hi,
These are the colleges that you will get via COMEDK if you have got 17,000 rank in COMEDK:
1. Nitte Meenakshi Institute of Technology
2. RNS Institute of Technology
3. KS Institute of Technology

IIT-Kanpur is the best engineering college in UP.

The per year fee for B.Tech information technology at Loyola ICAM college of engineering and technology is :
INR. 65,000 per year
INR 2.6lakh for 4 years.

SNU-Noida is better than PDPU Gandhinagar according to placements and over all University rank.

You can refer the following link to get detailed information about the fees structure in B.Tech computer Science in Centurion University
https://www.shiksha.com/b-tech/course/b-tech-in-computer-science-and-engineering-centurion-university-of-technology-and-management-Bhubaneswar-191590

List of entrance exam for B.Tech-
Joint Entrance Examination (Main) (JEE Main). Joint Entrance Exam Advanced (JEE Advanced). Birla Institute of Technology and Science Admission Test (BITSAT). Graduate Aptitude Test in Engineering (GATE). VIT Engineering Entrance Exam (VITEEE). SRM Joint Engineering Entrance Exam (SRMJEEE).
I hope it will help you, feel free to ask any query.