You can calculate your rank in JEE Main Paper 1 using the formula:

Rank = (100-percentile)*(No. of students appeared for the examination)/100

As the no. of students appeared for Paper 1 (Jan) are around 869000, your rank will be around 5000. However as the no. of students in April changes, your rank will change according to that.

With this rank, there are good chances of getting IT Branch at NIT Allahabad. You can check the last years' cutoffs for this Institutes using the link given:

https://engineering.careers360.com/articles/jee-main-cutoff-for-mnnit-allahabad

However, to get the list of all Institutes which you may get with this rank, kindly use the college predictor through the link provided below:

For more information regarding counseling, cutoffs, etc.. you can use the B.Tech companion from the link given below:

https://www.careers360.com/btech-companion