Procedure for divorce proceedings

Hi, I am 37 years old female currently living in Kochi at my husband's place. I have been married for 6 years now. My husband, from last 4 years has been not staying with me. Despite of my repeated attempts to talk, he has not answered why or where has is been staying. Instead, he blames me for not being a supportive wife and is very verbally abusive if asked about his whereabouts. I stay with his mother and another brother in law. In spite of his brothers knowing the situation, none of them have actually interfered in our marriage life(which frankly is not there). He comes and goes on will for some time for his mother who is ailing and that's it. He keeps a control on household things and expects me to inform if anything is required. My family is also aware of the situation. He being very influential figure here, knows lot of power ranking persons and all, have repeatedly told me when I asked about divorce saying it would bring more trouble to me only and that I would regret the same. My question is since he is not agreeing for divorce or for talks what are my options? and what kind of help can court provide me. I am from Mumbai, can I do from there if I just run away? I am really fedup with the situation.