S. R. NAYAK, J. ( 1 ) THE National Education Society and the Head Master of Dr. H. N. N. H. School, have preferred this writ appeal being aggrieved by the order of the learned Single Judge dated 22. 6. 1998 in W. P. No. 1158/92. ( 2 ) THE above writ petition was filed by the 1st respondent herein praying for mandamus, directing the appellate authorities to extend the Time Scale of Pay of Rs. 1400-2750 to the petitioner from July 1987 onwards with interest at 10% and to regularise his services in the cadre of Science Demonstrator or in the cadre of Science Teacher with all consequential benefits. ( 3 ) THE undisputed facts of the case are as follows: the 1st respondent was appointed purely on temporary basis as Science Demonstrator initially in the year 1987. It appears from the record that the services of the 1st respondent were terminated at the end of every academic year and fresh appointment orders were issued by the management of the appellant/institute from time to time. A copy of the appointment order dated 19. 6. 1991 issued to the 1st respondent is produced before us at Page 40 of the material papers marked as Annexure R-1 which reads as follows:-