qualification is concerned, he possesses the same which is not in demur. Rather, his qualification relating to teaching experience is the bone of contention. Admittedly, the petitioner was appointed as residential teacher in Physical Sciences (RTPS) on 14.06.2000 on contract basis in the APSWR School administered by 2nd respondent. Later, his service was regularized as Trained Graduate Teacher (TGT) w.e.f. 01.10.2007 and his probation was declared on 30.09.2009. Further, though he was appointed as TGT, the 2"d respondent utilized his services as Junior Lecturer in Physics in A.P. Balayogi Gurkulams in Zone-1V from 01.01.2007 to 25.07.2009; as JL (Physics) in BRAC Social Welfare Residential Junior College, Chinnatekur, Kurnool District from 26.07.2009 to 07.05.2010; as JL Physics (TGT Physical science) in A.P. Social Welfare Residential School / Junior College (Boys), Kanekal, Anantapur District from 08.05.2010 to 22.06.2016; and as JL Physics (TGT Physical science) in Balayogi Gurukulam, Sagileru, Kadapa