JUDGMENT :

N. UNNI KRISHNAN NAIR, J.

1. Heard Mr. A. R. Malhotra, learned counsel for the petitioner. Also heard Ms. Caroline K Lungawipuii, learned Government Advocate appearing for the respondents no. 1, 2 & 3 and Mr. Zoramchhan, learned counsel appearing for the respondents no. 4, 5 & 6.

2. The challenge made in the present proceeding is to a Corrigendum dated 09.05.2022, issued by the Municipal Commissioner, Aizawl Municipal Corporation, cancelling an earlier order dated 30.03.2022, by which one-third of the past service of the petitioner rendered as a Contractual Employee was considered as regular service for the purpose of promotion to higher grade/post and deputation as per the provisions of the Mizoram Government Employees (Counting of Past Service) Rules, 2020 (hereinafter referred to as “the Rules of 2020”).

3. The facts in brief for adjudication of the issues arising in the present proceeding are noticed as under.

4. The petitioner, on his selection for the post of Sanitary Inspector on contractual basis under the Aizawl Municipal Corporation, was issued with an order dated 26.09.2011, appointing him as a Sanitary Inspector on contractual basis, against a post of Sanitary Ins