IIT Mandi - Indian Institute of Technology leads on placements (₹ 26.6 L package) and return on fees (2.33×). None of the compared parameters favour IIIT Kottayam, though it may still suit your cutoff range or location preference. Check the cutoffs and your eligibility before deciding.
Based on placements, fees, NIRF ranking, return on fees and student ratings for the selected courses.
IIT Mandi - Indian Institute of Technology reports a higher average package (₹ 26.6 L vs ₹ 11.9 L for IIIT Kottayam).
IIT Mandi - Indian Institute of Technology and IIIT Kottayam cost about the same in total (around ₹ 11.4 L).
IIT Mandi - Indian Institute of Technology holds a NIRF rank of #10; the other option has no NIRF rank listed.
The average package at IIT Mandi - Indian Institute of Technology equals about 2.33× its total fees, compared with 1.04× at IIIT Kottayam.
Comes out ahead on the most parameters in this comparison.
A good pick if its strengths match your priorities.