Husband and his family torcher

My marriage life is 5 yrs and I hav a kid of 4yrs,rite frm the day one my husband and sisters inlaws and husband patents torcher me a lot,they are keeping my husband in their hand and torchering me,he has three sisters along with their husbands they are residing in their own house and changing my husband mind and torchering me a lot,I warned him so many times but no use,two yrs back I complained in NCW then he acted good fr an year again he started his torcher listen to family members,he is not giving single Paisa to me n my son,I'm jobless,and he is telling he wil live with me only if I go n stay in his home otherwise he won't live with me,I don't have anyone except widow mom,he and his family members using this I don't have anyone to support and torchering me a lot,if I go there his three sisters husband,and his parents wil kill me,frm marriage date to till now he supports only his parents and sisters n sister husband,now he is telling me mental I'm very depressed with these kind of words,he s asking fr a baby so that his mother wil take care, wat to do,shall I file dv case,it vl be useful, actually I don't hav any one ,no money I'm suffering here,he sits with his family members n blackmailing me ,he has one brother,and three sisters all are using my husband and listening to their words he treats me very badly n keep Nick names mental,plz giv me a solution