Section 9(2)(a) in The Rajasthan Silicosis Rules, 1955
(a)Every workman who is already in service at the time when these rules come into force, if he desires to become eligible for the benefits under these rules, shall be duly medically examined by an examiner before whom he will be caused to appear by the employer and if found suffering from Silicosis as defined in Rule 4 he shall be entitled to compensation as provided for in the Act.