assessment under Section 153A of the Act is linked with search and requisition under Sections 132 and 132A of the Act, it is evident that the object of the section is to bring to tax the undisclosed income which is found during the course of or pursuant to the search or requisition. However, instead of the earlier regime of block assessment whereby, it was only the undisclosed income of the block period that was assessed, Section 153A of the Act seeks to assess the total income for the assessment year, which is clear from the first proviso thereto which provides that the assessing officer shall assess or reassess the total income in respect of each assessment year falling within such six assessment years. The second proviso makes the intention of the legislature clear as the same provides that assessment or reassessment, if any, relating to the six assessment years referred to in the sub-section pending on the date of initiation of search under Section 132 or requisition under section 132A, as the case may be, shall abate. Sub-Section (2) of
