Tax exemption notification: charitable fund qualifies subject to conditions on application of income and investment. Notification under section 10(23) recognizes Mayor's Sports Benefit Fund, Kolkata as eligible for exemption subject to conditions: apply or accumulate income wholly and exclusively to its objects; restrict investments to modes in section 11(5) (excluding certain voluntary contributions retained as jewellery or furniture); exclude business income unless incidental and accounted separately; file returns regularly; and, on dissolution, transfer surplus and assets to a charitable organisation with similar objectives.