However, the non-service of a S. 21 notice on a person does not, by itself, preclude the arbitral tribunal from impleading that person if they are found to be a party to the arbitration agreement — The primary purpose of S. 21 relates to commencement and time-related aspects, while other functions like informing about claims or potential arbitrators are incidental.
2025 INSC 507 SUPREME COURT OF INDIA DIVISION BENCH ADAVYA PROJECTS PVT. LTD. Vs. M/S VISHAL STRUCTURALS PVT. LTD. AND OTHERS ( Before : Pamidighantam Sri Narasimha and Manoj Misra,…