Mentally harassment by husband and in laws

I ws married from last 4 year in may-2011 n hv a 3 yr old baby boy .. i got married to d elder son in d family who is working in private ltd in gujrat and live also in gujrat with his family but he doesnt have any bank balance in his account . when d talk initially started my father in law told us dat he ws trying 4 d gov job n if required he will also help him in terms wid money also. dey ask 4 a dowry at d time of marriage which my father gve dem 1lak 51 thousand and some gold n all other things as dowry . after my marriage first 2 months they treated me like normal but after 2 months of marriage they gave mi stress and my husband come drunk and abusing me.and mentally tortures me. ...he does not hve anything on his name not even any kind of property ... he is not even graduate passed and also not doing a job in bank as ws told at d time of marriage... my in laws also start mentally harassing me. and not taking care me and my basic needs. even aftr i got pregnant . my husband n my inlaws evn in dat condition harasses me mentally. he also ask me to hve a aminocentesis whch i denied . dese things continues aftr d birth of my baby .. dey were not happy with me and my baby. nw m living wid my parents for last 5 mnths .. i dont to live wid my inlaws because of this mentally harassment. i feel we hve been cheated .. my husband does nt care fr me n my baby boy he never respect as an individual n trust me ... what should i do now ??