Your percentile is 63, so you can calculate your overall rank by using the formula

(100-your total percentile)X 869010/100

Now according to your percentile , your overall rank is between 310000-410000

The last year cut off for National Institute of Technology was

Computer science - 7216

Electrical and electronics Engineering - 12016

Go through the below link for various cut off for NIT college's

https://engineering.careers360.com/articles/nits-cutoff-for-top-btech-branches

You can also use our college predictor for predicting college according to your rank and percentile.

https://engineering.careers360.com/jee-main-college-predictor