Hello,

Considering the percentile given by you your expected rank will be around 318752.You can calculate your expected rank using the formula given below

(100-your total percentile)*869010/100

In your case it is

(100-63.32)*869010/100=318752.

With such rank it is impossible to get seat even if you belong to any reserved category.So it is better if you prepare for jee main April session.In case you belong to SC/ST you may qualify jee main and can appear for jee advanced.So prepare accordingly.