1. - These two writ petitions raise common questions of facts and law and, therefore, they were heard together and are being decided by a common order.

2. The facts, necessary to be noticed for the disposal or those two writ petitions briefly stated, are: that the respondent Rajasthan State Electricity Board, Jaipur (for short 'the Board') issued an advertisement for selection to the post of Junior Engineer (Electrical) in the year 1972, wherein the petitioner Amritlal Kaushik was selected. It further issued an advertisement for selection to the post of Overseer (Electrical) in the year 1976 and in that selection, petitioner Kurbansingh was selected as Overseer (Electrical).

3. It was submitted that earlier in the Rajasthan State Electricity Board Service of Engineers (Recruitment, promotion and Seniority etc.) Regulations, 1969 (hereinafter referred to as 'the Regulations'), there was only the post of Junior Engineer but in the year 1973, the Regulations were acconded vide Notification No.RSEB/Rules/D.33 dated October 15,1973 and it was provided that the words 'Junior Engineer' wherever appeared in the Regulations be substituted by the words 'Junior Engineer/Overseer'. Thus