S. 149 : Reassessment-Time limit for notice-Retrospective applicability of S. 149(1)(c)-Explanation inserted by Finance Act, 2012 clarifies that amended sub-ss. (1) and (3) apply to “any assessment year” beginning on or before 1-4-2012-Word “any” not restrictive-Amendment to s. 147 by insertion of Expln. 4 also relevant-Earlier decision in Brahm Datt not considering said Explanation and Notes on Clauses-Matter referred to Chief Justice for constitution of Larger Bench. [S. 147, 148, 149(1)(c), Art. 226]