service tax revised return can be filed with in 90 days from the date of original return is filed. even original return filed after the due date also you can revise the return with in 90 days from the date of original return filing. after 90 days you cannot revise the return.Author: Anonymous.(Author).fter 90 days there is no option for revise the service tax return, even online, manual all mode the return will be rejected if you try to revise the return after 90days.In case any correction after 90days.