9.Here, in the case in hand, the petitioner has participated in the written examination. Based on the marks obtained by him, he has not reached the zone of consideration to a particular communal roaster, as he belongs Adidravidar Community. The communication regarding the oral test was communicated on 15.11.2000, for those who reaches the zone of selection process. Once the candidate participated in the Written and Oral test and obtained the marks in oral test as well as the written test, both will be put together and the final marks would be calculated and accordingly, the rank for selection list would be released. These are the procedures being adopted by the Commission for a long years. Therefore, the interpretation of the petitioner sought to be given in this regard, especially, in the context of the clause under the head “Procedure of Selection” that every candidate shall be permitted to write the examination as well as to be permitted to participate in the oral test, is totally unknown to the selection process and therefore, based on such surmises he can not build up a case as sought for. Hence, this Writ Petitioner