(3)Irrespective of anything contained in sub-section (1), where the specified fund is an investment division of an offshore banking unit, the provisions of this section shall apply to the extent of income that is attributable to such investment division referred to in clause (g)(ii) of Note 1 of the Table in Schedule VI as a Category-I portfolio investor under the Securities and Exchange Board of India (Foreign Portfolio Investors) Regulations, 2019 made under the Securities and Exchange Board of India Act, 1992, calculated in such manner as may be prescribed.