State Of Tamil Nadu vs M/S Burmah Shell Oil Storage & ... on 10 October, 1972
9. We are, therefore, of the view that the decision in State of Tamil Nadu v. Burmah Shell Co. Limited which is strongly relied on by the Revenue cannot be of any help for the reason that the sales of unclaimed and unserviceable goods effected by the Port Trust are not incidental or ancillary to any business, but are only in the course of its performance of the statutory duties.