57.
In the absence of an agreement between the parties, the arbitration proceedings are said to have commenced under Section 21 of The Arbitration and Conciliation Act, 1996 :
A:
on the date of appointment of arbitrator
B:
on the date the arbitration agreement is signed.
C:
on the date the request for reference is received by the respondent.
D:
on the date the arbitral tribunal issues notice
The answer is:
C