Hello Sharad, 

You didn't specify for which course you are searching colleges in Delhi. There are a lot of colleges in Delhi offering so many different types of courses. 

I am giving you the list of good MBA or PGDM colleges. 

MDI, Gurgaon

FMS, Delhi, 

IMT, Ghaziabad

Fore, Delhi

LBSIM, Delhi

SOIL, Gurgaon 

IIFT

IMI, Delhi

BIMTECH, Noida

For more details go through the link 

https://bschool.careers360.com/colleges/ranking/top-mba-colleges-in-delhi?page=1

All the best.