S. 43B : Deductions on actual payment-Contributions to Employees’ Welfare Funds such as Provident Fund and Employees’ State Insurance-Employer in Trust-Income of assessee unless paid into fund by due date-Prescribed by enactment governing fund-Interpretation Of Taxing Statutes-Exemption or deduction,Non Obstante Clause-Deduction is available if paid before due date prescribed under respective Acts. [S. 2(24)(x), 36(1)(iv), 36(v), 139(1), Sch. IV, R. 2(C), Employees’ Provident Funds and Miscellaneous Provisions Act, 1952, S. 30, Employees’ State Insurance Act, 1948, Employees’ Provident Funds Scheme, 1952, Cl. 30, Employees’ State Insurance (Central) Regulations, 1950, Regulation, 31]