If I had to choose from IIT Ropar, IIT Gandhinagar, and IIT Roorkee, I would have gone for IIT Ropar. Let’s compare the institutes and their branches individually.
IIT Ropar and IIT Gandhinagar (CS):
IIT Ropar CS and IIT Roorkee EE:
All in all, IIT Ropar CSE offers better job opportunities, and thus the general preference order looks like
IIT Ropar CSE >> IIT Roorkee EE >~ IIT GN CSE.