Tax on investment income and long-term capital gains.
27 115E.           (1) Where the total income of an assessee, being a non-resident Indian, consists only of investment income or income by way of long-term capital gains or both, the tax payable by him on his total income shall be the amount of income-tax calculated on such total income at the rate of twenty per cent of such income 28[***].
(2) Where the total income of an assessee, being a non-resident Indian includes any income of the nature referred to in sub-section (1), the tax payable by him on his total income shall be—
            ( i)         29 [the income-tax] payable by him in accordance with the provisions of sub-section (1) on income of the nature re­ferred to in that sub-section included in the total income; plus
            ( ii)       the amount of income-tax chargeable on the total income as reduced by the amount of income of the nature referred to in sub-section (1), had the total income so reduced been his total income.
             The following section 115E shall be substituted for the existing section 115E by the Finance Act, 1997, w.e.f. 1-4-1998 :
            Tax on investment income and long-term capital gains.
115E.  Where the total income of an assessee, being a non-resident Indian,includes—
            (a )        any income from investment or income from long-term capital gains of an asset other than a specified asset;
            (b )       income by way of long-term capital gains,
            the tax payable by him shall be the aggregate of—
            (i)        the amount of income-tax calculated on the income in respect of investment income referred to in clause (a), if any, included in the total income, at the rate of twenty per cent;
            (ii )       the amount of income-tax calculated on the income by way of long-term capital gains referred to in clause (b), if any, included in the total income, at the rate of ten per cent; and
            (iii )      the amount of income-tax with which he would have been chargeable had his total income been reduced by the amount of income referred to in clauses (a ) and (b).