hi,

see to enroll for josaa counselling you do not meed to have any particular jee main percentile. whatever score  you have got, if you have appeared in jee main exam , have a valid score you may participate in josaa counselling. the starting date for online josaa registration is october 6, 2020 tentatively. now coming to your percentile the jee main results has already published and candidates has allotted with category wise rank, you did not mention your crl or ews rank,

however based on your category to know about the probable college name as per previous years records please enroll for careers360 jee main college predictor tool,

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer