[Resolved]  Private School — provident fund

My Wife was as primary teaches in a private school. She has resigned from her job in the month of May this year. She is still awaiting for her Prodent fund settlement. After enquiry school authority is not replying satisfactirily. What should I do.? And how I will come to know amount of provident fund payable to her if settled.?
Please guide me. Also I would like to know the rules of PF. and how it is being calculated?
Kindly Help me.