At the outset, the facts in SLP (Civil) No.25618 of 2018 are set out asfollows. On 16.01.2004, the Petitioner was awarded a contract forconstruction of Diversion Tunnels, Coffer Dams, Concrete ... GravityDams, Plunge Pools and Cutoff Walls of Subansri Lower Hydroelec-tric Project on river Subansri, with an installed capacity of 2000 MW,stated to be the largest Hydropower project yet in India. The projectsite is located in the lower Subansri districts in the States of Assamand Arunachal Pradesh. Clause 67.3 of the agreement between theparties provides for dispute resolution through arbitration