S. 151: Reassessment-Sanction for issue of notice-Limitation-Information-Mere generation of notice on the ITBA screen cannot in fact or in law constitute issue of notice-Cash deposit-The AO has failed to establish with concrete information that there is escapement of income-Notice was issued after obtaining the approval from Jt. CIT and not with the approval of the prescribed authority-Reassessment notice and consequential order are quashed. [S. 147, 148, 148A(b)]