S. 145 : Method of accounting-Charge of income-tax-Firm off Chartered Accountants rendering professional Services-service tax-Difference between gross receipts as per Income-Tax Return and service tax cannot be treated as income-Diversion by overriding title-Payments to retired partners and spouses of deceased partners in accordance with clauses of partnership deed-Cannot be assessed as income-Deduction of tax at source-Direction of CIT(A) is held to be proper. [S. 4, 5, 37(1)]