what are my chances of getting a mbbs seat in a semi government college in maharashtra with a score of 390 in neet 2017 in state domicile under obc category?(WITH FEES UPTO 4 LAKHS/YR)?

dear riddhi 
yes , you have chances with 390 but try to gain upto 420-430 range , so, that you will be safe zone . 
in 390 you are elligible for state quota councelling but not for that 15 percent all india quota . 
and you will for sure get a semi medical collage with that score . 
all the best 
regards