Section 115H of the Income Tax Act
Section 115H of the Income Tax Act: Benefit under Chapter to be available in certain cases even after the assessee becomes resident
Where a person, who is a non-resident Indian in any previous year, becomes assessable as resident in India in respect of the total income of any subsequent year, he may furnish to the Assessing Officer a declaration in writing along with his return of income under section 139 for the assessment year for which he is so assessable, to the effect that the provisions of this Chapter shall continue to apply to him in relation to the investment income derived from any foreign exchange asset being an asset of the nature referred to in sub-clause (ii) or sub-clause (iii) or sub-clause (iv) or sub-clause (v) of clause (f) of section 115C; and if he does so, the provisions of this Chapter shall continue to apply to him in relation to such income for that assessment year and for every subsequent assessment year until the transfer or conversion (otherwise than by transfer) into money of such assets.