one of our client has filed itr4 on 29/09/2013 and paid the tax determined.He has done a mistake in a itr 4 while filing the return regarding taxes paid.He has written the amount of tax paid in tax payable column instead of writing the amount of tax paid a self assessment tax column. Further department has issued notice u/s139(9) as a defective return.While filing return under which section it should be filed i.e 139(5)or 139(9). Please reply its urgent.