Foreign citizen husband tortured & went away abroad

My swedish husband is Bangladeshi by born . He promised me to marry & tortured me physically mentally for 2.5 years. He & his father complelled me not to do job for 2.5 yrs with promise of building my career in Sweden, got married in Bangladesh legally. He lived with me around 1months as husband & abused me in Bangladesh , he threatened me to live with his relatives where I was broken without food & abused. From Sweden my husband & father in law tortured me by his family members (here) with lots of cruel rules & compelled me to go out from his home,Bangladesh. He provided me no shelter, food, money for last 5months, from his departure of Bangladesh. Now declaring he is single without any legal procedure. He sent a affidavit that I am not his wife( which is out of law here) He did sex with me with the name of marriage, commitment to taking me Sweden as wife, for dowry he tortured me physically. He is in Sweden & trying to remarry. He said never come back in Bangladesh. After 2 & half years of physical mental torture by he & his father my death is knocking at door. We are still married according to Bangladesh Hindu law. I am trying to case a file from Bangladesh, but it's impossible to reach him by Bangladeshi law & police. And his powerful advocate family might attack me. need help legally to reach the accused & his family in Sweden. To case file or arrest him in Sweden , I need help. he is going to remarry in Sweden, although he is still legally my husband. I want my legal rights & maintenance as his wife. His parents are Sweden too Kindly reply me pls what legal steps can be taken in sweden. I am in Bangladesh.