have ordered creation of new cadre of HSA(English) in aided and Government Schools, by reallotting periods of the language of English which are presently allotted to core subjects of Maths, Science and Social Science, in a phased manner. By virtue of a consequential amendment brought to Rule 6(I) of Chapter XXI II KER the new cadre of HSA (English) was created. It is contended that to satisfy the minimum subject requirement, post of HSA (English) ought to have been created, since it would not have caused retrenchment of any of the existing HSA's in the core subjects. But before considering merit of such a contention, it is to be examined as to whether the petitioner can challenge Exts.P7 staff fixation order of the year 2006-07 in a writ petition filed in the year 2011. First of all, the petitioner is not a person aggrieved by the order of staff fixation. His appointment was specifically to the post of HSA(Social Science). The said appointment was approved only in the post of HSA(Social Science). After working in the approved post for quite some time, when it is found that the petitioner was not qualified for such appointment, the petitioner cannot turn around and contend that his appointment ought to have been made in a