Colleges in Delhi

Dear Ranjeet, your predicted rank based on your JEE marks is 4923. Check the link below to know the colleges you can get with this rank:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
In case you don't get your desired college, don't settle for some mediocre college. Instead of settling down for some mediocre college, it would be better if your try for some good private university. Many reputed private universities are offering B.Arch. They have their different criteria for admissions. Some offer admission on basis of JEE scores, some offer admission on basis of NATA and some offer admission on the basis of both. Some even offer direct admission on basis of class 12 marks. Some of the universities also offer scholarships on basis of your performance in class 12 or JEE or NATA. You can check the details of any of the reputed universities like VIT, Lovely, SRM, etc. All these universities have wonderful infrastructure and world-class facilities to offer to students apart from good placements.
Good luck.

The admission process is following-
The admission for Under graduate course is fully merit based. The marks is being checked against the cut off released by DU. But some course have entrance exam for admission. The process is following-
Check out the cut off released by DU, and check your marks against the cut off. Then visit with the application print out for the particular college and course with your all documents. Then admission staff check your marks against the cut off released by DU. When the staff check out your documents, then a link is provided on your DU portal for the fee payment. Take out the print of fee slip for future reference. You should verify it with official website of DU.