S. 45(3) : Capital gains-Transfer of capital asset to firm-Transfer of land to partnership firm by way of capital contribution-Consideration to be taken as per section 45(3) and not as per section 50C of the Act-Cost of land-Interest paid-Additional evidence-Matter remanded-Compensation paid to a waiving of its absolute right-Added to cost of improvement. [S. 45, 48, 50C]