Hello
The cutoff varies every year for different nit's depending upon their branch . The exam conducting authority will look into a number of factors for determining the cutoff of JEE main 19 for top NITs. Prominent among them are:
Cutoff trends of previous years

Number of applicants

Difficulty level of the examination

Number of seats on offer

Applications received for admission

Here is a link that would help you with the cutoff of various nit's with their branch
https://engineering.careers360.com/articles/jee-main-cutoff-for-top-nits
Goodluck I hope this helps you

Cutoff is different for all NIT baaed on quotas and which stream you choose so share us your requirements accordingly.

Generally scoresabove 130 shallbe considering very good for Computer science engineering in Home state quota in Top NITs. 

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

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