This is a group of appeals filed by the State of Madras against orders passed by the High Court of Judicature at Madras which raises the following common question as to applicability of concessional rate of sales tax to transactions of inter State sale and taxable under the : "When a purchasing dealer in one State furnishes in Form 'C ' prescribed under the Central Sales Tax (Registration & Turnover) Rules, 1957, to the selling dealer in another State a declaration, certifying that the goods ordered, purchased or supplied are covered by the certificate of registration obtained by the purchasing dealer in Form 'B ' prescribed under r. 5(1) of the Central Sales Tax (Registration & Turnover) Rules, 1957, and that the goods are intended for resale, or for use in manufacture of goods for sale, or for use in the execution of contracts, or for packing of goods for resale, and that, declaration is produced by the selling dealer, is it open to the Sales Tax authority under the Central Sales ax Act to deny to the selling dealer the benefit of concessional rates under section 8(1) of the . 200 on the view that the certificate in Form 'C ' mentions more purposes than one for which the goods are intended to be used, or that the goods are incapable of being used for the purpose for which they are declared to be purchased, or that the goods are applied for some other purpose not mentioned in the certi ficate in Form 'C '?" We may briefly set out the facts which give rise to two out of the appeals: Civil Appeals Nos. 334 & 335 of 1965.