S. 263 : Commissioner-Revision of orders prejudicial to revenue-Income from other sources-Interest-Debentures redeemed after nine years-Conversion of debentures into equity shares-Entire interest deemed to be received by debenture holder upon conversion of debentures into equity shares in year of conversion–Assessing Officer accepted the return-Revision is justified.[S. 2(24)(iv),47(x),49(2A),56,143(1)]