S. 254(2): Appellate Tribunal-Rectification of mistake apparent from the record – Reassessment – Tribunal has power to rectify the obvious error – Tribunal holding that capital gains were assessable in assessment year 2001-02 – Tribunal erred in entertaining new plea of assess ability of capital gain- Consequential reassessment order was not barred by limitation -Order of Tribunal is set aside and matter remanded to the Assessing Officer [ S. 148 , 149 , 150 (2)]