law: Employees’ State Insurance Act, 1948
  17. Staff
  (1) The Corporation may employ such other staff of officers and
  
  servants as may be necessary for the efficient transaction of its business
  
  provided that the sanction of the Central Government shall be obtained for the
  
  creation of any post 53[the maximum monthly salary of which 54[exceeds
  
  such salary as may be prescribed by the Central Government.]
   55  [(2)(a) The method of recruitment, salary and allowances,
  
  discipline and other conditions of service of the members of the staff of the
  
  Corporation shall be such as may be specified in the regulations made by the
  
  Corporation in accordance with the rules and orders applicable to the officers
  
  and employees of the Central Government drawing corresponding scales of pay:
  PROVIDED  that where the Corporation is of the
  
  opinion that it is necessary to make a departure from the said rules or orders
  
  in respect of any of the matters aforesaid, it shall obtain the prior approval
  
  of the Central Government.
  (b) In determining the corresponding scales of
  
  pay of the members of the staff under clause (a), the Corporation shall have
  
  regard to the educational qualifications, method of recruitment, duties and
  
  responsibilities of such officers and employees under the Central Government
  
  and in case of any doubt, the Corporation shall refer the matter to the Central
  
  Government whose decision thereon shall be final.]
  (3) Every appointment to 56[posts 6[(other
  
  than medical posts)] corresponding to 57[Group A and Group B] posts
  
  under Central Government], shall be made in consultation with the 58[Union]
  
  Public Service Commission:
  PROVIDED  that this sub-section shall not apply to an
  
  officiating or temporary 48[appointment] for 59[a period]
  
  not exceeding one year:
   4  [PROVIDED FURTHER that any such officiating or
  
  temporary appointment shall not confer any claim for regular appointment and
  
  the services rendered in that capacity shall not count towards seniority or
  
  minimum qualifying service specified in the regulations for promotion to next
  
  higher grade.]
   58  [(4) If any question arises whether a post corresponds to
  
  a 6[Group A and Group B] post under the Central Government, the
  
  question shall be referred to that government whose decision thereon shall be
  
  final.]