S. 43B : Deductions on actual payment-Employee’s contribution to ESI/PF-Deposited before due date of filing of return-No disallowance can be made-Amendment to section 36(1)(va) brought by Finance Act, 2021 which came into effect from 1-4-2021 as same has no retrospective applicability. [S. 2(24)(x), 36(1)(va), 139(1)]