General Rank~ 40,000 => OBC - 15,000

General Rank ~ 30,000 => OBC - 10,000

General Rank ~20,000 => OBC - 7,000

General Rank ~ 10,000 => OBC - 4,000

General Rank ~ 8,000 => OBC -2,500

General Rank~under 2500 => OBC -under 1,000

General Rank-under 800 => OBC -under 350

However, marks vs rank curve heavily depends on overall difficulty of paper. For ex- for 190 marks, corresponding rank is ~14,000 in 2012 where it is ~8000 in 2014.

Hi Janakiramulu. Thanks for contacting Careers360 and we hope we will be able to answer your query. 

Actually speaking, your question is very broad. Why because, is we don't know which NIT you are going to apply for. This information will help us give you a definite answer. 

Anyways, for your information, I would like to direct your attention to this Careers360 article for reference regarding the cutoffs:

• https://engineering.careers360.com/articles/jee-main-cutoff

In case you want to check "JEE Mains marks vs Rank", please see this Careers360 article:

• https://engineering.careers360.com/articles/jee-main-result-marks-vs-rank

Hope this helps you and all the best!