The first submission is that an arbitrator or an umpire discharges a judicial function while function ing as an arbitrator or an umpire under the Act, and, there fore, is under an obligation to observe rules of natural justice while discharging his duties, as observed by this Court in Payyavula Vengamma vs Payyavula Kesanna and others; , This Court relied in that decision upon the observations made by Lord Langdale M.R. in Harvey vs Shelton; , at p. 462 which read thus: "It is so ordinary a principle in the administra tion of justice, that no party to a cause can be allowed to use any means whatsoever to influence the mind of the Judge, which means are not known to and capable of being met and resisted by the other party, that it is impossible, for a moment, not to see, that this was an extremely indiscreet mode of proceeding, to say the very least of it.