The decree-holder in O.S No 29 of 1974 on the file of the Sub Court, Pathanamthitta, is the appellant. He obtained a decree on 18-12-1974 against the judgment-debtor for Rs 5, 848;'-interest and costs. Even before judgment, he 'had applied for and obtained an order of attachment of certain amounts due to the judgment-debtor from the Divisional Forest Office. Ranni, being the amounts due to the judgment debtor in respect of the security deposit and all amounts due on account of a contract work executed by him in the Pampini Coupe. After obtaining the decree he applied by E.P. No. 64 of 1975 for realisation of the decree amount from out of the amounts attached. It is at this stage that a petition E A. No. 61 of 1976 was filed by a third party claimant to release the attachment on the ground that by virtue of an agreement between the judgment-debtor and the claimant, the contract on the basis of which amounts are due to the judgment-debtor from the Divisional Forest Office, Ranni, was itself assigned to him, that he had provided for the security deposit made, the contract work had been executed by him, and that there was an irrevocable power of attorney executed by the jud