धारा 37

An arbitrator or umpire may be challenged by either party if circumstances exist that give rise to justifiable doubts as to the arbitrator's or umpire's impartiality or independence. A party may challenge an arbitrator or umpire by giving notice in writing to the other party of its intention to make the challenge. The notice shall state the reasons for the challenge. The arbitral tribunal shall hear the challenge and make an award in accordance with the provisions of this Act. Where the arbitral tribunal is unable to continue with the arbitration, the Chief Justice or a Judge authorized by him shall appoint a new arbitrator or umpire. Where the Chief Justice or the Judge authorized by him is unable to make the appointment, the new arbitrator or umpire shall be appointed by the Supreme Court.