This writ petition has been filed challenging the order of the Transport Commissioner, Chennai in Memo No.6491 I/E4/86 dated 4.7.1996. The petitioner is the owner of the stage carriage plying on the inter-State route Bangalore to Kelamangalam. The Permit of the above route was issued by State Transport Authority of Karnataka State and it is covered by the inter-State agreement entered into between the States of Mysore and Tamil Nadu in the year 1973.

2. The case of the petitioner is that the permit was originally given to the petitioner's father Chuddappah whereby he was entitled to entry of vehicle into Tamil Nadu State free of tax and was liable only for payment of tax to the primary State. Subsequently, the petitioner applied for variation of the route up to Royacottah and the primary Authority in Karnataka State granted the variation. However, the State Transport Authority of Tamil Nadu refused to counter sign the variation. The petitioner therefore filed an appeal before the State Transport Appellate Tribunal, Chennai, to direct the authority to counter sign the variation which was allowed and the State transport authority made the counter signature for the variatio