(d)fixing the prices to be paid to the manufacturer for standard cloth or for any particular class of standard cloth, and providing for the payment thereof on delivery: Provided that in fixing prices the Controller shall have regard to the cost of production and to the allowance of a reasonable profit, without necessarily taking into consideration the market- price, and if the Controller is satisfied that the manufacturer has incurred actual loss arising out of forward contracts entered into before the commencement of this Act, and that such loss is immediately attributable to an order under this Act, he may take such loss into account: Provided further that the Controller may fix different prices in the case of different localities or, if special reasons exist, in respect of different manufacturers in the same locality.