R. Subbiah, J.

1. O.A.No.39 of 2012is filed by the applicants/plaintiffs to pass an order of interim injunction retraining respondents 1 to 3 Association and its members from modifying the remittance i.e. payment frequency of the applicants from fortnightly to any shorter period, pending disposal of the above suit.

Application No.1255 of 2012is filed by the applicants/ defendants 1 to 3 to refer the parties to arbitration and consequently dismiss the suit.

Application No.1630 of 2012is filed by the applicant/proposed 5th defendant, namely, Austrian Airlines, to implead them as 5th defendant in the suit.

2. The brief facts, which are necessary to decide all the applications, are as follows:

According to the plaintiffs, they are engaged, inter alia, in the business of providing travel services including air ticketing of all airlines, such as Air India, Lufthansa, Jet Airways, etc. The plaintiffs are International Air Transport Association (IATA) accredited agent having office at Chennai and conducting their business in Chennai. The 1st defendant Association incorporated under a special Act of the Canadian Parliament on 18.12.1945 is a world organization of scheduled airl