Colleges in Lucknow

It is difficult to compare as one cannot personally know both colleges very well. I can give you some insights about IIM Lucknow, though.
Campus- The campus is beautiful, with every possible amenity that would be required. Huge library, spacious rooms, gym, swimming pool, sports ground/court, etc.
Food- IIM Lucknow mess food is good. I think you can compare any college's food with ours and we will win for sure!
Academics- No doubt IIM Lucknow is better.
Placements- Again, there is no match!
Probably, your field of interest might help you compare the two colleges. Taking opinions from any student of SP JIMR might help as well.

Eligibility-
Candidate must have passed graduation with atleast 50% marks (45% marks in case of SC/ST) Should have valid score in CMAT
Total Fees - (INR)-94,200
(Included: Admission Fees, Others Fees, Tuition Fees | Not Included: Hostel Fees)
https://www.shiksha.com/mba/course/master-business-administration-kurukshetra-institute-technology-management/151460

Dear Rajnish Yadav.Azad Institute of Engineering & Technology, Lucknow (AIET), Lucknow, IET Lucknow, Shri Ramswaroop Memorial College of Engineering and Management are some of the best institutes at Lucknow.

As of now, you must focus on your studies and get good grades, while you are doing your under-graduation. For CAT prep, make reading books, news, article as a daily habit. Also keep a good command over your communication skills, if you feel there is scope for it. I think this will do as of now. You may take up CAT class later on.

in lucknow the best option for bba is lucknow university. other than this you have national pg, bbd , ramswaroop.