Dear candidate

The general rank for a candidate whose percentile is 86 will be around 1.2 lack and as you belong to Sc category you have reservation so your category rank for 86 percentile will be around 6000 which is a very good rank you can get seat in many good colleges and few branches in NITs

Vist the below mentioned link to know about the cutoff trends of National Institute of Technology (NITs)

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

by using college predictor tool you can gind out how many colleges you can get into so, check it out

Hope this Information is helpful