Correction of itr files

hi. for A.Y.15-16 You need to file Revise Income tax Return. In such cases you can file a revised return stating the changes. As per section 139(5) of the Income-tax Act, 1961, the revised return can be filed before the expiry of one year from the end of the relevant assessment year or before the completion of assessment by the income tax department, whichever is earlier