Colleges in West Bengal

I think you are asking for the fees of management quota admission. It is generally around 8 to 10 lacs and depends on the stream you want. You should contact the college to know the exact fees.
Best of luck.

These are the BBA courses offered at the particular college:
https://www.shiksha.com/college/nshm-knowledge-campus-Kolkata-tollygunge-23958/courses/bba-bc.

Your percentile should be greater than 90 in JEE Mains to get this college.

According to the eligibility criteria, you are eligible for this course.

Yes, you can get admission in middle and lower order NITs like NIT Patna, NIT Jalandhar, NIT Jamshedpur, NIT Durgapur etc. You should apply for branches like IT, electronics engineering, electrical engineering, mechanical engineering, civil engineering etc. Getting CSE in NIT with this rank will be difficult. Although first preference should be computer science engineering, then all these branches.
Yes, in IEM he will get computer science engineering.
Best of luck.

Yes, Sauhardya you can apply for Amity University. You will surely get admission in Amity University. You should contact them or visit the campus to know the admission procedure in details. Best of Luck.

Hello Soumyadip, Heritage is one of the top private engineering colleges of West Bengal, hence the cutoff is low. In 2018, after 3rd round the opening WBJEE rank was 1018 and closing rank was 4130 for CSE. I guess it went upto 5k in the spot counseling (mop up) round.
So you have to get a rank under 4k to be on the safe side.

You will surely get CS course in Heritage with this rank. Best of Luck