IIT BOMBAY chemical engineering is good or IIT gandhinagar materials science?
The answer is obviously IIT Bombay chemical engineering is far better than IIT Gandhinagar material science and engineering the reasons are following.
The infrastructure available at IIT Bombay is far exceeding than Gandhinagar.
IIT Bombay is well established chemical engineering department whereas material science engineering department IIT Gandhinagar is new.
Even in later stages of your course if your interest deviates from chemical engineering for core courses like material science then IIT Bombay will provide your backup option option in terms of placement is there is more than 80% placement.
if you look at the opening closing rank of both the courses then you can easily spot the difference the closing rank at IIT Bombay chemical engineering compared to material science and engineering at IIT Gandhinagar.