Hello Aspirant,

Congrats for getting good percentile. This year total 869010 students attempted jee January. You can calculate your approximate rank using formula :(100-percentile)*869010/100. That is 38,584. There are chances of getting seat in AP. I april 1200000 students are going to write jee.  You can predict colleges using below link:

Below link gives previous year cut offs of nits.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/nits-cutoff-for-top-btech-branches/amp&ved=2ahUKEwjNt_DOztrnAhVYOSsKHX8pBE0QFjAKegQICRAB&usg=AOvVaw2OXl9cMS4B7GJ9DfTIJZCg&ampcf=1

Hope this is useful