( 1 ) BY means of this Appeal the Appellant M/s. Em and Em Associates (hereinafter referred to as the contractor ), has assailed the impugned judgment dated 26. 5. 1989 of the Learned Single Judge, in respect of claims 3 and 4 and 16 to 18. We shall consider Claims 3 and 4 together as has been done in the Statement of claims, in the arbitral Award, and in the judgment of the Learned Single Judge. These Claims are - "that the rates quoted by the Claimants in their tender were based on the quantities shown in the Schedule to the tender documents but when the work was actually carried out it was found by the Claimants that the quantity shown in the schedule to tender documents was wrong and as a result of the wrong quantities mentioned in respect of box-Liners and Shutters in the schedule to the tender documents by the Respondent, the claimants suffered a loss of Rs. 1,06,725. 51 i. e. Rs. 30,483. 66 in respect of box Liners and Rs. 76,241. 85 in respect of Shutters. The respondent is liable to pay the said amount of rs. 1,06,725. 51 to the Claimants along with interest at the rate of 18% per annum which comes to Rs. 16,008. 75 from 11. 10. 82 till the filing of this sta