Hi

Cse in which college  are you asking about?

I am guessing that you are asking about getting a seat in Computer Science in  NITs as they are the best college that you can get through jee main

This is a bit difficult to predict the marks/percentile/rank required in JEE mains to get a seat in nit  as cut off  keeps changing every year  depending upon various factors like  number of students that appeared in the exam, kind of marks obtained by them , toughness level of the jee main examination , number of seats available for the branch you want etc.

When we go through previous year trend then ,

For instance,

If we take the case of NIT Trichy which is the best NIT

In round 6 of josaa counselling 2020 , for  gender neutral to get computer science engineering   , closing rank  in nit trichy for different categories is provided below, rank for general /open represents crl while rank for rest of the categories represent category rank:-

HOME STATE

Category       closing Rank

General/open        4728

EWS                      7770

OBC ncl                 2008

SC                          1520

ST                          1750

OPEN STATE

Category                      closing Rank

General/open                   781

EWS                                    153

OBC ncl                              242

SC                                         198

ST                                         51

You can check the same at

https://josaa.nic.in/Result/Result/currentorcr.aspx

Your profiles suggest that you are from Rajasthan so you will be eligible for open State quota in NIT Trichy

So, for open state, for obc category 242 was  closing obc rank and in terms of marks it is around 220 marks ,for  marks vs rank vs percentile you can refer to our page, the link for the same is provided below

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile

Or you can use rank predictor at

So, for topmost NITs like NIT Trichy you should target at least 220 marks while for other decent nits , around 160 marks is enough for getting computer science being from OBC NCL category

Now,

limited time is left for jee mains 2021 , so focus on your preparation, to prepare well for your jee examination, go through chapters first and your focus should be on grasping concepts , practising questions and then revising them, go through mock test paper sample papers and previous year question papers as it will let you know your preparation level and and weak areas so that you can work on them and perform well in your examination.

If you have any other doubt then you can always reach us to clear them :) we are always available to help you out and guide you

Thankyou