My wife demanding for my Dad's hard earned money

Dear sir I am married since 10 years and I have a kid of 9 years, after marriage of 6 months whe are staying away from from my parents, from since then my wife and here mom is torturing me and my family with false and baseless allegations. She says that she will pue and my family behind bars if whe whe donot fulfill her demands, from last 9 years I and my family are fulfilling her needs, she behaves very disrespectfully, I uses abuses with very vulgar words, she and her family are threatening that they will not live to survive us, now again she is demanding for my hard earned money which is the lease money for living house, lease period is finished whe need to change the house, she is demanding for the lease deed should be on her name which is right now is on my Dad's name, she threatening me alot, she is always demanding and forcing me to die, I'm mentally sick,Plz help me, I have complained two times in police station but no use, I have not got any justice because their relatives are little bit politically strong, two FIR have been registered on her and her mom, please help me.