<s>[INST] Which books of accounts are required to be maintained? [/INST] The following books of accounts are required to be maintained: (a) For specified professions other than company secretary and information technology (where gross receipts exceed Rs. 1,50,000 in any of the 3 years immediately preceding the previous year) • Cash book • Journal, if books of accounts are maintained according to the mercantile system of accounting • Ledgers • Carbon copies of bills and carbon copies or counterfoil of receipts issued by the assessee of value exceeding Rs. 25 (must be machine numbered or serially numbered) • Original bills issued to the assessee and receipts in respect of the expenditures incurred by him. • Signed vouchers, if bills and receipts are not issued and the amount of expenditure does not exceed Rs. 50 if the cash book does not contain adequate particulars in respect of these expenditures. However, for medical professions, the following additional books are required to be maintained: - Daily case register in Form 3C - Inventory under broad heads of stock of drugs, medicines, and other consumable accessories used for the purpose of profession, as on the first and last day of the previous year. (b) For specified professions (in every case), and non-specified professions & businesses where income or gross turnover exceeds the limit Such books of account which may enable the Assessing Officer to compute the taxable income.​ </s>