Wife torture me

My wife mentally tortured me she make me live in her mom's house so I lived there when I have 3 children her father give me small place to live in which legally I my wife and our 3 children have to live but I live there i open a chowmin stall there in that small house but my children and wife never come to me they only come to me at night and then go back to my mother in law house also my wife abuse me she doesn't help me in any way only abuse me I'm mentally harrassed because I don't find any support my children also hate me of no cause they only listen to her mom my children's are also abusing me so sir what can I do now I leave my house because I can't handle things they make me feel worthless but still I am always thinking about them my wife also has relationship with someone i know but I can't do anything they even planning to kill me i listen to the call recording still do nothing because she always told me to file a case against me and now I'm scared I do nothing but wrongly used our law give me solution sir what can I do