Troubled marriage and Inlaw doing mental torture

Hi, I am married for 3 years now.I had many ups and downs my husband is very short tempered and looses his balance sometimes gets v abusive even trying to hit me but hits walls, doors cupboards etc. He also tried to clutch my throat once. He is verbally very abusive and at times says things like I will cut u to pieces with a knife, I will throw u from roof or sometimes things like I will myself jump from balcony. We are staying in a flat that my parents have given us to stay in temporarily (till we live in delhi). His mother is also staying with us, they have given their own flat on rent in their city. He relocated to Delhi when we got married and hence he says it was the biggest sacrifice hence he wants me to sacrifice in other aspects. His mother keeps sending me away to stay with my parents again and again due to some or the other reason against my wish. He said he didn't want a child as he hates kids (just before marriage) after a big engagement ceremony .I always wanted kids so I tried to discuss this and we later agreed to have a baby after 3 years so after 3 years we started trying and I recently convinced. His mother was not happy on knowing this and sent me to my home even though I was advised against any travel by car. Later when I returned after 3 weeks of stay she again convinced my husband to send me back, when I resisted to my husband he went away for few hours. That day my parents were also visiting on just to meet us for few hours they felt bad that he was not there. TO this my mother in law badly reacted saying whats the big deal that he will not meet u so my parents n she had some arguments during which she said we didn't want this child and u people only wanted now u only take care if her for 9 months and pay for all the charges of baby. She totally doesn't want the grand child. Her daughter has 2 kids and she is more than happy with them. I don't know what to do. That is my house belonging to my parents and my mother in law said why does ur daughterr return every few days running? Why doesn't she stay there with you ? I wanted to be with my husband during pregnancy and was expecting he will take care of me and his baby. What do I do I feel very sad n demoralized