Section 52A(2)(i) in The Employees' State Insurance Act, 1948
(i)Where the Central Government or a State Government, as the case may be, adds any description of employment to the employments specified in Schedule III to the Workmens Compensation Act, 1923 (8 of 1923), by virtue of the powers vested in it under sub-section (3) of section 3 of the said Act, the said description of employment and the occupational diseases specified under that sub-section as peculiar to that description of employment shall be deemed to form part of the Third Schedule.