under chal l enge nor any such empl oyee i s ot her wi se i mpl eaded as par t y. I f t he pet i t i oner s or f or t hat mat t er , some of t hem had chosen t o wor k t hr ough conot r act or , t hey coul d not t her ef or e i nsi st f or bei ng pai d r egul ar sal ar y on t he basi s of equal pay f or equal wor k. Even ot her wi se, t he i mpugned or der s r esor t i ng t o cont r act syst em wer e passed i n 1995 and pet i t i oner s have not chosen t o chal l enge t hat syst em i n 1995 i t sel f . Pet i t i oner s wer e engaged onl y on dai l y wage basi s and wor ked f or t wo year s or so. I t i s not shown whet her r ecr ui t ment was made by any accept abl e mode as per r ul es. Di r ect i on t o pay t hem r egul ar pay scal e and r egul ar i ze t hei r ser vi ces wi t h t he r espondent Boar d at t hat st age, cannot be i ssued.