list was issued by the department as on 01-04-2024, in which also the name of the petitioner finds place at Sr. No. 36. Subsequent to that, the gradation list of Head Master, Middle School, E-Cadre, has been issued by the department on 29-10-2024 in which it has been mentioned that since the Rule 15(1) of the Chhattisgarh School Education Services (Educational and Administrative Cadre) Recruitment and Promotion Rules, 2019 (in short "the Rules of 2019") has been declared ultra vires, in the order dated 09-03-2023, passed by Hon'ble Division bench of this Court in W.P.S. No. 502/2022, the petitioner's name was dropped from the gradation list. It is the case of the petitioner that the petitioner was served on the post of Head Master from 1998 to 2010, and he was promoted to the post of Lecturer on 29-06-2010, but despite his seniority, his name is not there in the gradation list dated 29-10-2024. The services of the Headmaster/Principal/Lecturer are governed by the Chhattisgarh School Education Gazetted Service (School Level Service) Recruitment and Promotion Rules, 2008 (in short "the Rules of 2008"). Schedule 2 of the Rules of 2008 provides that for the post of Principal, 25% posts are to be filled by Shiksha Karmi Grade-1 through a limited examination, and 75% posts are to be filled by promotion from Lecturers. In these 75% posts, 65% posts will be filled by limited examination, and 35% posts are to be filled by promotion from the Headmaster of Middle School. The said promotion avenue was reiterated by the notification dated 22-05-2014 issued by the State Government, by which the Chhattisgarh School Education (Gazetted)