In law's Interference Causing trouble in my Marriage Life.

My wife, by listening to her parents and visiting their place for small reason's cause's my 5 years son his studies & her health issue's are lot, I was informed she was operated for a lump on her kidney but I dough it. My FIL is a retired district judge was suspended against RTI, He trouble's my 75 years old mother using his daughter & my son,he Want to trap me under Law, Now wife is staying with him since 26Feb16 due to my argument with FIL, my mother is sick & we have to operate her spine for decompression & block, wife is asking to rent a property or she will not return.m fed up, help pls