S. 50C : Capital gains – Full value of consideration – Stamp valuation -Stamp valuation was disputed before the AO- It is the duty of AO to refer the matter to Valuation Officer-The department cannot be allowed a second inning, by sending the matter back to Assessing Officer, enabling it to fill the lacunae and shortcomings and putting the assessee virtually to face a re-trial for no fault of him and to again prove before the Assessing Officer that the sale consideration was the fair market value of the property sold by him. [S. 45]