Hello Shiteja,

Based upon your score in NEET 2018, and the previous year cutoff, chances are less for admission to Government Medical Colleges under All India Quota. 

You may have chances for admission to colleges under state quota. 

Yes you have chances of getting a government Medical seat in Odisha with this score only if you belong to SC or ST category. 

You can go through the previous year cut off of various colleges in Odisha using this website - https://medicine.careers360.com/articles/neet-cutoff-odisha

Use NEET College Predictor to Check Your MBBS/BDS Chances in All India Quota, Deemed Universities & State Quota seat Based on Your NEET AIR.
   https://medicine.careers360.com/neet-ug-college-predictor?icn=neet-clgpd&ici=qna-answer