Delhi High Court Rules Section 21 Notice Not Mandatory for Arbitration Proceedings, Allowing Greater Flexibility in Legal Disputes. Sunil Walia v. Delhi International Arbitration Centre and Anr. | W.P.(C) 6019/2026 | Delhi High Court | Decided: May 4, 2026 | Justice Purushaindra Kumar Kaurav The Delhi High Court, in a petition filed under Article 227 of the Constitution of India, dismissed a challenge to an interlocutory order passed by a sole arbitrator under the aegis of th