Income exemption for Central Silk Board: specified receipts exempt subject to non commerciality, prescribed return filing, and unchanged activities. Notification under clause (46) of section 10 notifies Central Silk Board, Bengaluru, as eligible for exemption for specified receipts: grants/funds from government or statutory bodies; compensation on sale or disposal of movable and immovable property; royalty and income from patented technologies and intellectual property; penalties and levies under statutes; fees/charges for services rendered under the Central Silk Board Act and Rules; and interest on bank deposits. Exemption is subject to non engagement in commercial activity, unchanged activities and income nature during the financial year, and filing the return required under clause (g) of sub section (4C) of section 139.