Tax exemption for notified charitable fund requires exclusive application of income, permitted investments, separate books for incidental business. Notification recognizes rational Children's Fund as eligible for exemption for assessment years 1993-1994 to 1995-1996 subject to conditions: the income must be applied or accumulated wholly and exclusively for the fund's objects; funds may be invested only in permitted forms; profits and gains of business are excluded unless business is incidental with separate books; the assessee must regularly file income-tax returns; and on dissolution surplus and assets must be given to a charitable organisation with similar objectives.