Based upon your score in NEET and the previous year cutoff trends , you do not have any chance to get a seat in Government College in Chhattisgarh because the minimum score needed to get an admission in government college of Chhattisgarh is expected to be 600 for this year . You surely have chance to get a seat in private medical colleges  like CCM Medical College or government dental colleges like Govt. Dental College, Raipur, Chhattisgarh.

You csn check the cutoffs of chhatisgarh by following the given link :

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

To predict your chances of getting a medical seat on the basis of your NEET AIR ,use NEET PREDICTOR TOOL:

https://medicine.careers360.com/neet-college-predictor?icn=neet-clgpdici%3Dqna-answer