Revised return

i have filed my itr for assessment year 2017-18 in before due date ...... but due to some mistake generate tax payable 3040 . i showed less 80c deduction and income tax send a order of tax payable for rs 3040 in September 2017 . but i ignore that time and i want to solve this problem now ........ plz suggest me can i revise my return??????? now