Hi, according to your marks , you have very less chance to get any IITs or NITs as you are from general category. As we all know the cutoff scores and ranks for general category candidates is higher than other categories. So you have less chance. You can check which college can you get from college predictor

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

Hey there

If you have got 86 marks in JEE advanced so as per previous year cutoff your rank will be below 25000 and you have no chances of getting an IIT. For nit you must score good in JEE mains.

Check JEE advanced cutoff

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/jee-advanced-cutoff/amp&ved=2ahUKEwiGvf6h_-biAhUDiHAKHaAHB2IQFjADegQIAhAB&usg=AOvVaw2VOKI-nLKDIek2nav5VUOi&ampcf=1

Good luck