https://www.taxtmi.com/caselaws?id=91300 Spent nickel catalyst, being a saleable and identifiable commodity used as raw material in making nickel sulphate and nickel carbonate, was required to be included in the assessable value because it was not shown to have been returned or included in job charges, resulting in undervaluation. Non-disclosure of the catalyst in the price lists and no indication that it was supplied free of cost amounted to suppression of material facts, so the extended period under the proviso to Section 11A was attracted and the penalty was sustained. en-us Tue, 08 Dec 1998 00:00:00 +0530 Mon, 17 Oct 2011 11:48:23 +0530 TaxTMI RSS Generator https://www.taxtmi.com/caselaws?id=91300 Spent nickel catalyst, being a saleable and identifiable commodity used as raw material in making nickel sulphate and nickel carbonate, was required to be included in the assessable value because it was not shown to have been returned or included in job charges, resulting in undervaluation. Non-disclosure of the catalyst in the price lists and no indication that it was supplied free of cost amounted to suppression of material facts, so the extended period under the proviso to Section 11A was attracted and the penalty was sustained. Case-Laws Central Excise Tue, 08 Dec 1998 00:00:00 +0530 https://www.taxtmi.com/caselaws?id=91300