I'll be listing the closing ranks of branches at IIIT Delhi through the Joint Entrance Examination ranks and the minimum rank you need to get into these branches. The ranks are:

Electronics and Communication: 10,332
Computer Science and Biosciences: 8761
Computer Science and Social Sciences: 7031

These ranks are for general, outside Delhi category.

You can also use our college predictor to see your chances in all the colleges:
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Hope I have answered your question. All the best!