3. The petitioners in the writ petition have projected that the petitioner No. 1 and the petitioner No. 2, were initially engaged in the establishment of the Executive Engineer, Public Health Engineering, Silchar Division No. II, Cachar, Silchar, i.e., the respondent No. 6, as Work Charged Khalasi/Muster Roll Worker in the year 1987 and 1992, respectively. The petitioner No. 3, is projected to have been engaged as a Work Charged Khalasi in the establishment of the Executive Engineer, Public Health Engineering, Silchar Division No. I, Cachar, Silchar, i.e., the respondent No. 5 in the year 1988. As the petitioners were continuing in their respective services, the petitioner No. 1 was brought to the regular establishment as a Khalasi vide issuance of an office order dated 20.11.2003. The regularization of the services of the petitioner No. 1 was so effected, w.e.f. 01.12.2003. The petitioner No. 2 was regularized in his services as a Work Charged Khalasi, w.e.f. 22.07.2005, vide issuance of an office order dated 06.10.2005. Likewise, the petitioner No. 3, vide an office order dated 24.12.2003 was brought over to the regular establishment, w.e.f. 01.12.2003 and engaged as a Khalasi.