Both the college are good . Both the companies provide excellent placement opportunities. Many MNCs are comming here with an offer. If you have no financial problem then you can go with any one but if you have financial problem then you should opt for NSUT as fees of IIIT delhi is 4LPA while of NSUT is 2 LPA. Other prospective are

NSUT provide good college life but at IIIT delhi you would be busy in different projects and programs. NSUT make sure you clear 75% attendance criteria. If you want to enjoy college life as well as want to study with sincerity you should go with NSUT else if you want only to get involved in different projects and want less relaxation time then go with IIIT delhi.

All the best!