Wrong return 3b

TUKAI (MANAGER)     12 December 2020

Please note that for the month of Oct,20  we only SUBMITTED GSTR 3B return not FILED through DSC  . After check we found by mistake excess input taken , so Tax not come  how to edit this GSTR 3b return after submitted . In previous year a option show in botton for EDIT (Reset ) but now we cannot show this bottom. Please help