Helloa aspirant,

As per last year results, goverment medical college, ambikapur and government medical college, rajnangaon was alloted with minimum marks of 538. And this year cutoff is tend to increase so you have tough chances of getting a seat your chances may increase with category or state domicile. 

You may use the college predictor: https://medicine.careers360.com/neet-college-predictor

Best of luck!!