Dear Prithvi,
I am not clear about your questions so i am considering you are asking for IIT Delhi-
the lowest range stands near rank 5000 to get admission into IIT delhi, which correponds to range of 210-220 marks out of 360.
You can check for cutoffs from 2016 year as well given below:-
https://engineering.careers360.com/articles/jee-advanced-cutoff-for-iit-delhi
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