439 is my mark in neet 2019 I belong to sc category can I get medical seat in west bengal

Yes you have a chance to get govt medical college through state quota

In 2018, under State Quota, 349 marks secured a seat in Maldah Meducal College. Going by previous cut offs and your score, you have a chance at:
Bankura Sammilani Medical College
Burdwan Medical College
Nil Ratan Sircar Medical College
North Bengal Medical College
RG Kar Medical College
IPGMER among others
Having said that, cut offs change every year and are dependant on various factors like no.of seats availble, no.of candidates appearing for the exam, top NEET score and difficulty of the exam. You can check the cut offs of each College and Category at:
https://medicine.careers360.com/articles/neet-cutoff-west-bengal
You can also use our College Predictor services to check your options:
https://medicine.careers360.com/neet-college-predictor?utm_source=google-search&utm_medium=paid&utm_campaign=neet-clgpd