I AM RUNNING A PROPRIOTERSHIP FIRM AND DUE TO SOME PROBLEM I COULD NOT SUBMITTED MY ITR AND BALANCE SHEET ON DUE DATE , FURTHER I INFORM YOU THAT I AM NOT GOING UNDER MANDATORY AUDIT , SO PLEASE LET ME KNOW IF I SUBMIT MY ITR AND BALANCE SHEET IN MONTH OF OCTOBER IS THERE ANY PENALTY OR INTEREST LEVIED ON ME.