S. 254(2): Appellate Tribunal-Rectification of mistake apparent from the record –Limitation of six months- Tribunal does not have the power to condone the delay – High court has the power to condone the delay- Tribunal is bound to dispose the appeal on merits even in the absence of the assessee or its counsel – Dismissal of appeal for prosecution is resulted in a failure of justice . [ S.144C , 254(1) , ITAT, R. 24 , Art ,226, 227 ]