Your mother will get the summons from court to appear before it, the trail will start after that once the charges are framed.It takes time , meanwhile dates in the court will be there ,she should ask her lawyer to do the needful.
You can find out the status online or get the help of a lawyer. Once the charge is framed trial will start and your mother will have to attend the court .
Appoint a lawyer and see when your mother will have to attend the court and whats the status of the case.
The person who filed has to go only to depose as a witness , but your mother who is the accused will have to attend the court whenever the dates are there unless her lawyer obtain an exemption from appearance.