Held that the  Assessing Officer issued penalty show-cause notices to assessee for levy of penalty under section 271(1)(c) for having furnished inaccurate particulars of income regarding wrong claim of benefits of exemptions under sections 11(1) and 11(2), however, he had not specified corresponding limb(s) in his penalty show-cause notices, his failure to this clinching effect vitiated penalty proceedings itself. Penalty proceedings quashed and set aside.  (AY. 2008-09)