generally is an impost, usually for current or recurrent expenditure, spread over a district or other local area and is distinct from an amount payable for work done upon or in respect of particular premises. ‘Rate’ is defined by Webster to be the price or amount stated or fixed for anything. The word ‘rate’ includes any toll, due, rent, rate or charge. It means the scale or amount of any other charges. The word ‘rate’ is used with reference both to a percentage or proportion of taxes, and to a valuation of property. ‘Rate’ is used in an Act declaring that the Legislative Assembly shall provide by law for a uniform and equal rate of taxation and assessment, applies to the percentage of fixation, as used in connection with ‘taxation’ and to the valuation of the property, as used in connection with ‘assessment’. It is a valuation of every man's estate or setting down how every one shall pay, or be charged with, to any tax. By the use of the expression ‘rate’ a relation between the taxable income and the tax charged is intended, but the relation need not be of the nature of proportion of fraction. The Explanation to sub-section (5) of Section 35E of the Central Excise Act, the expression includes the determination of a question relating to the rate of duty, to the value of goods for the purposes of assessment; to the classification of goods under the Tariff and whether or not they are covered by an exemption notification; and whether the value of goods for the purposes of assessment should be enhanced or reduced having regard to certain matters that the said Act provides for. Questions relating to the rate of duty and to the value of goods for purposes of assessment are questions that squarely fall within the meaning of the said expression. A dispute as to the classification of goods and as to whether or not they are covered by an exemption notification relates directly and proximately to the rate of duty applicable thereto for purposes of assessment. Whether the value of goods for purposes of assessment is required to be increased or decreased is a question that relates directly and proximately to the value of goods for purposes of assessment. Determination of rate of duty in relation to any goods include determination of a question whether any goods or not, whether the process if any undertaken in the service centre amounts to manufacture or not, and if the goods produced during that process are excisable goods or not would fall