"115BAE. (1) Notwithstanding anything contained in this Act but subject to the provisions of this Chapter, other than those mentioned under section 115BAD, the income-tax payable in respect of the total income of an assessee, being a co-operative society resident in India, for any previous year relevant to the assessment year beginning on or after the 1st day of April, 2024, shall, at the option of such assessee, be computed at the rate of fifteen per cent. if the conditions contained in sub-section (2) are satisfied:

Provided that where the total income of the assessee includes any income, which has neither been derived from nor is incidental to, manufacturing or production of an article or thing and in respect of which no specific rate of tax has been provided separately under this Chapter, such income shall be taxed at the rate of twenty-two per cent. and no deduction or allowance in respect of any expenditure or allowance shall be made in computing such income: