In the case these appeals are directed against the final Judgments and orders dated 23rd of March, 2006, and 21st of September, 2007 passed by the High Court at Calcutta ... in G.A. No.235 of 2006 arising out of A.P. No. 361 of 2005, whereby the High Court had allowed the petition of the respondent and thereby terminated the mandate of the arbitrator and thus appointed a new Arbitrator for deciding the dispute between the parties.