law: Indian Aircraft Act, 1934 
  8.Power
  
  to detain aircraft :- 
  (1)
  
  Any authority authorised in this behalf by the Central Government may detain
  
  any aircraft, if in the opinion of such authority--- 
  (a) having regard to be nature of a intended flight, the flight of such
  
  aircraft would involve danger to persons in the aircraft or to any other
  
  persons or property; or
  (b) such detention is necessary to secure compliance with any of the
  
  provisions of this Act or the rules applicable to such aircraft; or such
  
  detention is necessary to prevent a contravention of any rule made under clause
  
  (h) or clause (I) of sub-section (2) of section 5.
  (2)
  
  The Central Government may, by notification in the Official Gazette, make rules
  
  {See for instance, rule 18 of the Indian Aircraft Rules, 1937 (Gazette of
  
  India, 1937, Pt.1.p.640}.regulating all matters incidental or subsidiary to the
  
  exercise of this power.
  { Ins.by Act 7 of 1936, s.2.}[8A.Power of Central
  
  Government to make rules for protecting the public health :- The Central
  
  Government may, by notification in the Official Gazette, make rules {For the
  
  Indian Aircraft (Public Health) Rules, 1946, see Gazette of India,
  
  Extraordinary, 1946, p.775} for the prevention of danger arising to the public
  
  health by the introduction or spread of any infectious or contagious disease
  
  from aircraft arriving at or being at any aerodrome and for the prevention of
  
  the conveyance of infection or contagion by means of any aircraft leaving an
  
  aerodrome and in particular and without prejudice to the generality of this
  
  provision may make, with respect to aircraft and aerodromes or any specified
  
  aerodrome, unless providing for any of the matters for which rules under
  
  sub-clauses (I) to (viii) of clause (p) of sub-section (1) of section 6 of the
  
  Indian Ports Act, 1908, may be made with respect to vessels and ports.]
  { Ins.by Act 22 of 1938.}[8B.Emergency powers for protecting
  
  the public health :- (1) If the Central Government is satisfied that India or
  
  any part thereof is visited by or threatened with an outbreak of any dangerous
  
  epidemic disease, and that the ordinary provisions of the law for the time
  
  being in force are insufficient for the prevention of danger arising to the
  
  public health through the introduction or spread of the disease by the agency
  
  of aircraft, the Central Government may take such measures as it deems
  
  necessary to prevent such danger.
  (2)
  
  In any such case the Central Government may, without prejudice to the powers
  
  conferred by section 8A, by notification in the Official Gazette, make such
  
  temporary rules with respect to aircraft and persons travelling or things
  
  carried therein and aerodromes as it deems necessary in the circumstances.
  
  
  (3) Notwithstanding anything contained in section 14, the power to make rules 
  
  under sub-section (2) shall not be subject to the condition of the rules being 
  
  made after previous publication, but such rules shall not remain in force in 
  
  more than three months from the date of notification
  Provided
  
    that the Central Government may be
  
  special order continues them in force for a further period or periods of not
  
  more than three months in all.]