Hello there,

Both the universities are good to study, but University of Delhi is very well established and has been ranked as one of the best universities across India. The education of DU is rich and diverse as its crowd. You will get to meet students from all over India. DU is a the best place for UPSC Preparation as the "hubs for UPSC Prep" is around or nearby University of Delhi. The faculty is top-notch as well, you will have the chance to listen to such professors who have been awarded with national awards.

I'd suggest you to prefer University of Delhi than any other university. I hope this information helps you.