Based on your NEET 2018 score the chances seems to be less to get a seat under all India Quota seats but the chances are decent to get a seat under state quota seats. You can also use NEET UG college predictor tool to know your chances.

https://medicine.careers360.com/neet-ug-college-predictor?icn=neet-clgpd&ici=qna-answer

Good Luck!

Yes there are chances of getting  admission in the government college. 

Keep hope. 

Thank you. 

All the best. 

You may get, however kindly do check it ont he career 360 college predictor

Goodluck