Both are the same level colleges for CSE & IT. As per the analyzing report of Careers360  GL Bajaj and CGC College of Engineering have AAA+ rating which means good. The rating is based on the research of the colleges based on placement, Faculty, Study Environment etc. You can also check the genuine reviews of the colleges with the given below links.

https://engineering.careers360.com/colleges/g-l-bajaj-institute-of-technology-and-management-greater-noida

https://engineering.careers360.com/colleges/cgc-college-of-engineering-landran-campus-mohali

Good Luck!