law: The Arbitration and Conciliation Act, 1996
  12. Grounds for
  
  challenge.
  1.  
  
    When
  
  a person is approached in connection with his possible appointment as an
  
  arbitrator, he shall disclose in writing any circumstances likely to give rise
  
  to justifiable doubts as to his independence or impartiality.
  2.  
  
    An
  
  arbitrator, from the time of his appointment and throughout the arbitral
  
  proceedings, shall, without delay, disclose to the parties in writing any
  
  circumstances referred to in sub section (1) unless they have already been
  
  informed of them by him.
  3.  
  
    An
  
  arbitrator may be challenged only if-
  a.   circumstances exist
  
  that give rise to justifiable doubts as to his independence or impartiality, or
  b.   he does not possess
  
  the qualifications agreed to by the parties.
  1.  
  
  
  2.  
  
  
  3.  
  
  
  4.  
  
    A
  
  party may challenge an arbitrator appointed by him, or in whose appointment he
  
  has participated, only for reason, of which he becomes aware after the
  
  appointment has been made.