Hi Aspirant!
Congratulations on your JEE rank. According to previous year cutoff data cutoffs of IIIT DELHI in Computer Science and Engineering branch are as follows:
2019: 5855
2018: 11429
And your rank 3711 in OBC category is in the range of these cutoffs so you can easily get admission into Computer Science and Engineering branch in IIIT DELHI.You can also try for other best college as your rank is good and you can also get your choice branch in good NIT OR IIIT.
You can check IIIT delhi cutoffs on its official website and don't forget to fill JAC DELHI COUNSELING as you can only get admission in IIIT DELHI through JAC.
You can follow these Career360's articles for a better understanding of cutoffs.
NIT: https://engineering.careers360.com/articles/nits-cutoff-for-top-btech-branches
IIIT: https://engineering.careers360.com/articles/jee-main-cutoff-for-top-iiits
GFTI: https://engineering.careers360.com/articles/jee-main-cutoff-for-top-gftis
Also don't forget to check out the Career360 College Predictor to know your college admission chances based on your JEE Main Rank, Home State, Caste, Gender, etc. https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
HAPPY HUSTLING!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile