S. 40(a)(ia): Amounts not deductible-Deduction at source-Provision for various expenses-Not in apposition to identify the parties /creditors-Provisions which were made on estimate basis were reversed in month of April i.e. in subsequent financial year and that when payments were made based on actual invoices, tax was deducted at source as per provisions of Act-Disallowance is deleted. [ S. 145]