Hello Aspirant 

2018 Neet state quota cut off :

Rajendra Institute of Medical Sciences,Ranchi

Unreserved-577

According to last year's cut off you will definitely get admission in RIMS Ranchi ,if this year the cut off increses then also you will get as 586 are very good marks.

You can check last year's Neet cut using this link:

https://medicine.careers360.com/articles/neet-cutoff-jharkhand

So I hope you find this helpful 

Thank you 

Good luck.