( 1 ) THIS revision petition is directed against the order dated 26-5-1982 passed by the learned trial Judge whereby the application filed by respondent No. 1 under Order 1 Rule 10 and Order 6 rule 17 of the Code of Civil Procedure was allowed and the petitioners were directed to be impleaded as party defendants.

( 2 ) RESPONDENT No. 1 filed a suit for permanent injunction againit the Municipal Corporation. The prayer in the laid suit is, as follows:-

"it is, therefore, prayed that this Hon ble Court may be pleased to pass a decree for permanent injunction restraining the defendant corporation through its officers, staff, agents, representatives etc. be restrained from demolishing, removing, breaking, defacing the illuminated neon sign and hoardings displays existing on the sites of 10 X 20 and 10 X 10 (10 X 30 ) each facing Delhi Gate side and Red Fort side to a total of 600 Sq. ft. at 29, Netaji Subhash Marg, Darya Ganj, New Delhi-2, or the ones to be replaced in due course of time at the above sites and from taking any other action in respect of the said illuminated neon sign and hoarding displays. "

( 3 ) THE aforesaid relief was claimed on the basis that the pr