wrongly opted for Non maitenance of regular books of accounts in ITR3

Sanjit Kumar Bhagat (Student) (477 Points)

15 July 2018  
Dear Experts,
I have wrongly opted for No need to maintain accounts in ITR3 and submitted, though as per provision I must show my return as Maitain regular books of account,
Now how rectify that mistake?
please help me out