S. 154 : Rectification of mistake -Mistake apparent from the record – Limitation – Book – profit – Order giving effect to appellate order – Issue sought to be rectified not subject matter of appeal – Period of limitation will be reckoned from the date of original assessment order in respect of points not subjected to appellate jurisdiction- Oder passed in 2004 could not be rectified after a period of 4 years, impugned order passed under section 154 dated 29-3-2014 was barred by limitation . [ S. 32 , 115JB , 143(3) . 154(IA ) ]