Which colleges
And what's the procedure???

Once go through the below link to know the further details of university.there the brochure is there you can know more detailed information about that.you should write entrance exam of Delhi university.
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Once visit this below link to get an idea:
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https://www.careers360.com/university/delhi-technological-university-delhi/courses
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If you have any questions further let me know.
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Thank you

Once go through the below link to know the list of colleges:
https://www.google.com/amp/s/university.careers360.com/articles/du-colleges/amp
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