Dear student. Delhi university and Jamia Milia Islamia both are Central universities. There is no comparison between the two universities. Both the universities are well known for psychology. So you don't worry for the staff. As far as exposer in concerned  both the universities have good placement options. You can choose  according to your preferences.

               Admission criteria for ug course in Both the universities are different JIM conduct entrance test whereas admission in DU is on merit basis. 

All the best.