(1) The State Government may, by notification, fix the rate of tax, with prospective or retrospective effect, not exceeding thirty five per centum of the turnover of sales of goods specified in Schedule D, and different rates may be fixed for different items of such goods.

(2) Notwithstanding anything contained in sub-section (1), the State Government may, by notification, fix the amount of tax payable, subject to such terms and conditions, if any, as may be notified, on the sale of goods or sale of a class of goods specified in Schedule D, on the basis of weight, volume, measurement or unit of such goods, and different amounts of tax may be fixed for sales of different items of such goods in respect of a specified area or whole of the State.