She has rights to get the exparte order set aside becasue she is a party to the pending case.
She cannot allow any order to be passed against her without being heard, even you wont like that sitaution.
What is the relief that you are going to seek from high court or under section 21B.
The proceedings that is going on the in the trial court seems to be absolutely normal and routine.
Even for filing a petition for an expeditious trial, you may have to show some reasons or to highlight the inordinate delay in the trial proceedings, which is missing in your case, hence you will be ending up in more loss and frustration if you plan to initiate any fancy legal steps.
What is the purpose of appointing any commissioner?