S. 54F : Capital gains-Investment in a residential house-Purchase of residential plot for construction of house-Exemption can not be denied on ground of technical constraint that no permission was granted by ADDA to transfer land in name of assessee till date of investment-Income from other sources-Value of land-Difference in value of land given by DVO and value of land mentioned by assessee in transfer deed was less than 5 per cent, no addition was warranted on account of differential amount between value of land given by DVO and value of land. [S. 45, 56(2)(viib)]