Hey Himanshu.
Considering that your OBC category rank is 1806, you seem to have a great chance of admission in NIT Allahbad under the home state quota in branches like IT, Electrical, Chemical, Civil, Mechanical etc. Chances under the home state quota for branches like CSE aren't much as per the previous year trends.
You can use the link below to check all the previous year trends for admission in other NITs and branches.

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

Best of luck

MNNIT Allahabad

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