Petitioners are stage carriage operators. They operate services on an inter-regional route. Permit was obtained by the second petitioner for the service in the year 1999 and the first petitioner in the year 2000. The grants in favour of the petitioners were subject to condition that they should obtain countersignatures from the sister Regional Transport Authorities for operation of the services within their jurisdiction. The petitioners have, accordingly, obtained countersignatures on their permits from all the sister Regional Transport Authorities and were operating services on that basis. The permits granted to the petitioners were renewed on their applications later upto the year 2009 and 2010 respectively by the first respondent, the primary Regional Transport Authority, after obtaining orders of concurrence from the sister Regional Transport Authorities. Later, when the petitioners applied for renewal of the permits for the period upto the year 2014 and 2015 respectively, the first respondent again sought and obtained orders of concurrence from the sister Regional Transport Authorities. Exhibits P2 series are the orders of concurrence obtained by the first respondent