.1. The plaintiff in O.S.No.2962 of 1982 on the file of the XIV Asst. City Civil Judge is the

.appellant. He filed the suit for a declaration that the letter dated 13. 1982 marked as Ex.A13 in the suit sent by the respondents was illegal, null and void and against the principles of natural justice and therefore not sustainable in law and for a permanent injunction restraining them and their men from taking any action in pursuance of the said letter on the following averments:

.2. The appellant was a registered contractor with Southern Railways for doing certain repair works to leaky roofs in Perambur Railway Quarters. He submitted his tender on 13. 1981 in the prescribed form to the respondents and on 24. 1981 under Ex.A4 the Divisional Railway Manager wrote to the appellant that his tender had been accepted. The appellant was directed to furnish security within 7 days therefrom in a sum of Rs.22,069 and he was further requested to commence the work within 7 days and to attend the office of the respondents to sign the agreement within 14 days as per the conditions of the tender document. Under the original of Ex.A5 letter, the appellant acknowledged the receipt of the