Hello there,

Comparative insights of the above colleges are as follows-

• National Institute of Technology Calicut has highest rank
• B.Tech Mechanical Engineering in National Institute of Technology Calicut has highest cutoff through JEE Main
• B.Tech Mechanical Engineering in National Institute of Technology Raipur has lowest fees
• NIT calicut has a highest placement package.

There are two comparison made for you. kindly check and choose best-

1. https://www.careers360.com/compare-colleges?college=146-142-139-151-course=7832-7661-7440-8075
2. https://www.careers360.com/compare-colleges?college=142-139-151-150-course=7661-7440-8075-8008

Hope This Helps :)