All services of mesne or other process, and all notices whatsoever, which, by law or by the practice of any Court wherein the said Company shall sue or be sued, are required to be made, served, or given for any purpose whatsoever to the said Company, shall and may be made, served, and given, in addition to all ways and means by which the same may otherwise be legally made, served, and given, by leaving the same addressed to the Managing Agent of the said Company at the office in Calcutta of the said Company.