Indian Boilers Act, 1923
3. Limitation of application
(1) Nothing in this Act shall apply in the case of any boiler or steam-pipe -
(a) in any steam-pipe as defined in section 3 of the 15Indian Steam-ships Act, 1884, or in any steam-vessel as defined in section 2 of the Inland Steam-vessels Act, 1917; or
16[(b) belonging to, or under the control of, the Army, Navy or Air Force; or]
17[(c) appertaining to a sterilizer or disinfector of a type such as is commonly used in hospitals, if the boiler does not exceed 18[ninety-one liters] in capacity.]
(2) The 19[Central Government] may, by notification in the Official Gazette, declare that the provisions of this Act shall not apply in the case of boilers or steam-pipes, or any specified class of boilers or steam-pipes, belonging to or under the control of any railway administered 20[by the 21[Central Government] or by any State Government] or by any railway company as defined in clause (5) of section 3 of the Indian Railways Act, 1890.