Hello,

According to IIT JAM 2019 the closing ranks for most of the IITs for Mathematics in OBC category is below 500 .So it is difficult to get admission in IITs with rank.But the cut offs vary every year.Closing ranks for some IITs after the third round of counselling are given below :

IIT Bhubaneswar - 510

IIT Jodhpur - 598

IIT Ropar - 563

You have a great chance of getting admission in NITs. Check out the link below for details on the closing ranks of NITs :

https://university.careers360.com/articles/ccmn-cutoff