To substantiate the above legal grounds, the learned Senior Counsel made a submission that the assessment orders relevant for the purpose of considering the present writ petitions for 1995-1996, 1996-1997 and 1997-1998. The writ petitioners had submitted their returns in time, which were properly assessed by the Assessing Officer under Section 143(3) of the Income Tax Act, 1961 and therefore, the same were scrutinized and finalized by the Income Tax Department. The block assessment made in this regard were also quashed by the ITAT and therefore there is no "reason to believe", which is contemplated under the Act for initiation of proceedings for reassessment by invoking the powers conferred under Sections 147 to 153 of the Income Tax Act. The learned Senior Counsel is of the strong opinion that the authorities competent have issued the notice only on the premise that the block assessment made by the authorities were quashed by the ITAT and out of frustration they have initiated the proceedings for reassessment under Sections 147 and 148. The said contentions are well narrated in the affidavit filed by the writ petitioners in support of the writ petition and by citing the allegations set out against the officials, the learned Senior Counsel is of an opinion that all the materials, information and documents were furnished by the writ petitioners at the time of filing of returns and at the time of block