Wife complainting in women cell without any reason.

Hiii kindly suggest for this matter what to do.its almost 5 years for my marriage i have a one kid and his age almost 4 years.before 1.5 years back my wife fighting without any reason.my in laws came to my home without intimation.picked my wife and my son from my home and going to back in delhi without my intimation.that time my in laws asking my wife going in delhi just for 10 days.after some days my wife said me on call she dont want come back .in these 1.5 years gape me and my family trying to come back for my wife.after so many positive efforts she does not come back.my wife and her family using so many abuse words and asking for legal action.few month back they said they want divorce without any reason.i was trying to save my married life and my son`s future.bt they did not agree.fews days back i received the call from women cell person he said your wife complaining against you .he asked me to come to the women cell.i asked him we did not receive any notice from your side and kindly asked me which type of complaining my wife against me.bt he did n`t reply and just asked me to come to women cell.my wife and my in laws giving me mentally harassment.kindly suggest what to do.