As per the analyzin report of Careers360 IEM Kolkata & Heritage Institute have AAAA rating which means very good, Techno India has AAA rating which means above average. The rating is based on the research of the colleges on placement, Faculty, Industry Exposure etc. You can check the genuine reviews of the colleges with the given below links.

https://engineering.careers360.com/colleges/heritage-institute-of-technology-kolkata

https://engineering.careers360.com/colleges/techno-india-university-kolkata

https://engineering.careers360.com/colleges/institute-of-engineering-and-management-kolkata

Good Luck!