seperaration or divorce

i have been married for almost 5 years n have a 4 gear old baby girl... things have not been pretty well from past 4 years. there has been sexual as well as physical violence, everytime it happens he some how make tge whole situation blaming me having alcohal where as i m not a regular drinker but i do get aggressive if triggered.. he uses this as my weak point. i had onced even commited suicide thinking he might jus understan that m done with everything but he took it as i ve played a stunt.. he threatens me that he will kill me if i left him.... we live in a joint family n drinking here ocassionally is with everyone but i am the only one accused....my inlaws don support me ultimatly its dere son who is correct.... i went through the depression that even had to get some appointments to the counceller as well as phyciactrist..... i jus need to knw the way out and my parents are not supportive with d divorce decision.... pls help me out