S. 275 : Penalty-Bar of limitation-Reference made by Assessing Officer to Additional Commissioner was to be treated as triggering point for initiation of penalty proceedings-Show cause notice was issued only on 10-11-2017 proposing levy of penalty and penalty order was made on 22-2-2018-Proceedings were beyond period of limitation-Order of Tribunal is affirmed. [S. 143(3), 260A, 269SS, 271D, 275(1)(c)]