140. Selection of persons for training in rescue work.- No person shall be selected for training in rescue work, unless such person-
(i) is between 21 and 40 years of age and holds a valid First-aid certificate from the institutes recognised by the Central or State Government ;
(ii) is certified by the manager that such person has sufficient underground experience for the purpose of rescue work;
(iii) is certified by a qualified medical practitioner, as may be designated by the manager after examination in accordance with the standard as may be specified by the Chief Inspector-cum-Facilitator through general or special order, to be free from any organic disease or weakness and to be fit for undertaking rescue work; and
(iv) is considered by the Superintendent of rescue station, after such examination and interview as Superintendent considers necessary, to be suitable for rescue work with breathing apparatus.