law: Census Act, 1948
  
  4.Appointment of ceases staff:-
  (1) The Central Government may appoint a
  
  Census Commissioner to supervise the taking of the census throughout the area
  
  in which the census is intended to be taken, and Superintendents of Census
  
  Operations to supervise the taking of the census within the several States.
  (2) The State Government may appoint persons
  
  as census-officers to take, or aid in, or supervise the taking of, the census
  
  within any specified local area and such persons, when so appointed, shall be
  
  bound to serve accordingly.
  (3) A declaration in writing, signed by any authority authorized by the State
  
  Government in this behalf that any person has been duly appointed a
  
  census-officer for any local area shall be conclusive proof of such
  
  appointment.
  (4) The State Government may delegate to such authority as it thinks fit the
  
  power of appointing census-officers conferred by subsection (2).