S. 50C : Capital gains-Full value of consideration-Stamp valuation-When a specific request is made by the assessee to refer the matter to valuation officer, it was statutory duty laid down upon the Assessing Officer to obtain the valuation report by referring the matter to the District Valuation Officer-Reference to the District Valuation Officer is mandatory and the Assessing Officer having failed to follow the provisions of the Act, he could not be given one more chance to refer the matter to the District Valuation Officer-no addition could be made on the basis of value of property at circle rate of State Government. [S. 45 ]