Both are the good colleges & have almost same rating. You can choose as per your convenience. For both of the colleges reviews & ratings you can go through with given below links.

Heritage Institute of Technology, Kolkata

Haldia Institute of Technology, Haldia

Both are almost at the same level and there is not major difference in the ranking or reviews so you can decide based on your preference of location, fees etc.

For your reference I am sharing reviews for both the colleges below:
Heritage Btech reviews

Haldia Btech reviews

All the best.

Both the colleges are good you can go for Heritage institute as it has better placement record.

You can also compare both the colleges from given below link

Haldia Ratings and Reviews

Heritage Ratings and Reviews

Good Luck!!

HIT Kolkata

Admissions Courses & Fees Cutoff Placements Reviews

Shortlist

Brochure

Haldia Institute of Technology (HIT) Haldia

Admissions Courses & Fees Cutoff Placements Reviews

Shortlist

Brochure