Gst return mode wrongly file for monthly agst quarterly

Dear Sir,

I PROVIDE COMMERCIAL RENTAL SERVICE, MY RENTAL INCOME BELOW 60 LACS, AT THE TIME OF FILLING GST RETURN I WRONGLY CHOOSED MONTHLY FILLING MODE INSTEAD OF QUARTERLY MODE, AND ALSO FILE THE GST RETURN FOR APRIL MONTH.

NOW I CAN CHANGE FILLING MODE FROM MONTHLY TO QUARTERLY, ??? FOR CHOOSING WRONG FILLND MODE IS THERE ANY CONSEQUENCES ????

PLEASE ADVISE