S. 153A : Assessment-Search-Statement made during search has evidentiary value but by itself cannot be basis for assessment-Assessment completed before search-No incriminating material was found-Distinction between scrutiny assessment under section 143() and summary assessment under section 143(1) is irrelevant for the purpose of section 153A-Addition is not justified-Question of fact. [S. 132,132(4), 143(1), 143(3), 260A]