35 Under Ex.C.89 dated 18.05.2011, the 1st respondent/claimant expressed their anguish as to the nonresponsible attitude on the part of the appellant in respect of the detailed letter dated 01.12.2008 marked as Ex.C.88 and in paragraph No.6, there is also a mention about the extension of time and the release of withheld 10%, amount of Rs.1,04,36,120/and made a total claim of Rs.5,35,45,504/- which include the release of the withheld 10% of the amount towards compensation for delay and also requested the appellant herein to settle the said claim on or before 18.06.2011, failing which they will invoke the Arbitration Clause as per Clause No.102. Under Ex.C.90 dated 05.06.2012, for invocation of the Arbitration Clause, notice was issued by the 1st respondent/claimant, requesting the appellant herein to nominate an Arbitrator. Under Ex.C.91 dated 05.11.2012, the 1st respondent/claimant has reminded the appellant about the invocation of the Arbitration Clause and requested to appoint an Arbitrator and pointed out that if Arbitrator is not appointed on or before 20.11.2012, they will nominate the Arbitrator. Accordingly the Appointing Authority of the appellant company, vide letter dated 20.12.2012, nominated the Hon'ble Mr. Justice K.Govindarajan, former Judge of this Court, as the Arbitrator in terms of Clause 102 of the General Conditions of the Contract and the claim petition was filed on 14.02.2013, seeking an Award for a sum of Rs.6,74,61,843/- with interest at the rate of 18% per annum on the principal amount of Rs.5,40,18,977/-. The 1st respondent/claimant quantified the claim under 9 Heads. As already pointed out, the learned Arbitrator, vide Award dated 20.03.2014, has rejected Claims No.2 to 8, granted the relief in respect of Claim No.1 and also awarded interest at the rate of 12% per annum between 20.03.2011 and 31.05.2014 and the challenge made to the said Award by the appellant herein by filing OP.No.441/2014 also came to be dismissed vide impugned order dated 13.12.2017 and hence this appeal.