posts together having the same pay scale. However, for the post of Head Master/Head Mistress, PETs do not form the feeder cadre for the simple reason that they do not fulfill the criteria of promotion to the post of Head Master/Head Mistress. Candidates from other category of posts other than PET’s, form the feeder cadre for the post of Head Master/Head Mistress and PETs are promoted to the post of School Inspectors. In order to avoid the anomaly which would have arisen on implementation of ACP as it is - by giving to the PETs the pay scale as that of School Inspectors on grant of first ACP, i.e. after 12 years of service (which would have had the effect of placing the PETs in a higher scale than the other teachers of the same category of posts) the MCD in its wisdom has adopted the ACP scheme subject to the modification by which the petitioners are aggrieved. In the absence of the impugned Circular, the Teacher (General) would have got the pay scale of Head Master/Head Mistress, because for Teacher (General) the next promotional post is Head Master/Head Mistress. In order to avoid this anomaly, the respondents have adopted the mode of granting the first ACP in the scale of Head Masters/Head Mistress to all the teachers, irrespective of the fact whether they were PETs, or otherwise, who could not get their first promotion within 12 years of service. All the teachers, including PETs, who