S. 119 : Central Board of Direct Taxes-Condonation of delay-Genuine hardship to be construed liberally-Delay in filing Form 10CCB-Special category States-Rectification of mistake-Duty of Assessing Officer-Application for rectification pending disposal for almost six years-Assessing Officer is duty bound to pass order expeditiously. [S.80IC, 143(1), 154, 264, Art. 226]