JUDGMENT :

IRSHAD ALI, J.

1. Heard Sri. Pradip Kumar Srivastava, learned counsel for the petitioners and Sri. Shatrughan Chaudhary, learned Additional Chief Standing Counsel for State-respondent.

2. By means of the present writ petition, the petitioners have prayed for issuance of writ of mandamus commanding the respondents to count the ad hoc service rendered by the petitioners prior to their regularization towards qualifying service for the grant of pension, gratuity and other retiral benefits and to grant third time pay scale on completion of 26 years of service taking into consideration the ad hoc service, which was made basis of grant of regularization to the petitioners.

3. Facts in brief are that the petitioners were granted appointment following the procedure of selection on the post of Vice Principal, I.T.I. vide order dated 5.10.1988 (petitioner Nos. 1 and 2) and 17.12.1988 (petitioner No. 3) and on completion of satisfactory service, pay scales were provided to them and ultimately, petitioner Nos. 1 and 2 were regularized vide order dated 20.12.2013 and petitioner No. 3 was regularized vide order dated 30.12.2014 w.e.f. 14.2.2010. On completion of satisfactory service, benef