Filing a Revised or Updated ITR: If you discover an error or omission in an Income Tax Return that you have already filed, the Income Tax Act allows you to file a "revised return" under Section 139(5). This can be done within the assessment year or before the completion of the assessment, whichever is earlier. More recently, the concept of an "updated return" (ITR-U) under Section 139... https://nipunhub.com