S. 153C : Assessment-Income of any other person-Search-Limitation-Request for information from competent Authority-Further period of one year or till such time receipt of information by Assessing Officer-Completion of assessment within time-Block period-Block comprises assessment years immediately preceding assessment year relevant to previous year in which search conducted-Inclusion of Assessment years found to be in Order-Satisfaction note by Assessing Officer of searched person-Compliance with requirements of recording of satisfaction is mandatory-Warrant-Validity of search-Liberty to approach first Appellate authority. [S. 132, 153A, Art. 226]