Hi Madhav,

College plays a very minimal but yet important role in UPSC preparation. See, UPSC aspirants get there personality framed at there college than, a good and effective personality can help you clearing your interview. Also, the people around you matters during UPSC preparation that also depends upon college.

But, if you choose any of the top colleges of India you will get a good and healthy educational environment for UPSC preparation. Some of the best institutions for UPSC preparation are JNU, JMI, colleges under DU and many more top notch colleges.

Refer here for more info - https://competition.careers360.com/articles/how-prepare-for-upsc-ias

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!