(1)Where the total income of an assessee includes any income from units of an open-ended equity oriented fund of the Unit Trust of India or of a Mutual Fund, the income-tax payable shall be the aggregate of-(a)the amount of income-tax calculated on income from units of an open-ended equity oriented fund of the Unit Trust of India or of a Mutual Fund, at the rate of ten per cent.; and(b)the amount of income-tax with which the assessee would have been chargeable had his total income been reduced by the amount of income referred to in clause (a).