Hey.
The cut off for 2018 has not bewn released as od yet. Here is a list of all government medical colleges in Gujrat and their respective cut offs in 2017 for the OBC category under the state quota.  Considering this you would require a rank and score around this range.
BJ Medical College, Ahmedabad
44,504

458
Government Medical College, Bhavnagar
1,06,590
366
Pandit Deendayal Upadhyay Medical College, Rajkot
1,05,434

367
MP Shah Medical College, Jamnagar
1,05,799

367
Medical College, Baroda
74,375

408
Government Medical College, Surat
90,696

385