1. The two petitioners A.Visalakshi and D.Devaki filed O.A.No.7206/1999 on the file of the Tamil Nadu Administrative Tribunal with the prayer to quash the seniority list of Scientific Assistant Grade II issued by the Second Respondent in proceedings Proc.No.A4/18829/97 O.O.No.107/97 dated 20.4.98 in so far as it relates to the applicants herein as the said seniority list is contrary to General Rule 35 (a) and is not based on the rank assigned to the applicants in the list of selected candidates for the post of Scientific Assistant Grade II by the Tamilnadu Public Service Commission and to direct the respondents 1 to 3 herein to revise the seniority list of Scientific Assistant Grade II issued by the Second Respondent in proceedings Proc.No.A4/18829/97 / O.O.No.107/97 dated 20.4.98 based on the rank assigned to the applicants herein by the TamilNadu Public Service Commission in the competitive examination held in the year 1989 for Scientific Assistant Grade II and under General Rule 35(a) and consequently to include the name of the applicants in the panel of Scientific Assistant Grade I issued by the Second Respondent in proceedings Rc.No.A4/883/99 / O.O.5/99 dated 22.1.1