(6)The income accruing or arising to, or received by, the investment fund, during a previous year, if not paid or credited to the person referred to in sub-section (1), shall subject to the provisions of sub-section (2), be deemed to have been credited to the account of the said person on the last day of the previous year in the same proportion in which such person would have been entitled to receive the income had it been paid in the previous year.