The presiding officer in an arbitral tribunal of 3 arbitrators shall be appointed by ?

Arbitration and Conciliation Act, 1996. S. 13. Appointment of arbitrators The arbitrators shall be impartial and independent of the parties and shall be qualified for the office. The parties shall if possible appoint the arbitrators jointly. If the arbitral tribunal is to comprise three arbitrators and the parties fail to agree on its composition, each party shall appoint one arbitrator. The time-limit for making the appointment shall be one month after the party received the request to appoint an arbitrator. The two arbitrators thus appointed shall within one month jointly appoint the third arbitrator who shall act as chairman of the arbitral tribunal.