S. 11: Property held for charitable purposes-contribution of Rs. 50,000 to the trustees of ABET for creating that trust-Not specified person-Lease rent paid by the assessee for a building which was provided free of charge to ABET to enable it to start a school-No disallowance can be made.-Income from house property-Deduction is not allowable-Method of accounting-Cash system-Interest income-Addition on account of interest accrued and not received was deleted. [S. 13(2)(a), 13(2(b), 13(2)(g), 24(a), 145]