JUDGMENT :

1. Heard Sri Upendra Nath Mishra, learned Senior Advocate, assisted by Sri Neel Kamal Mishra, learned counsel for the petitioner, Sri Pankaj Kumar Patel, learned Additional Chief Standing Counsel for respondent nos. 1 to 4, Sri Rakesh Kumar Tripathi, learned counsel for respondent no.5 and Sri Chandra Bhushan, learned counsel for respondent no.6.

2. Instant writ petition has been filed by the petitioner praying for the following reliefs:-

"i. Issue a writ, order or direction in nature of certiorari by quashing the impugned order dated 25.03.2017 passed by the opposite party no.3 contained in Annexure No.1 to this writ petition.

ii. Issue a writ, order or direction in nature of mandamus commanding the opposite parties not to implement the impugned order dated 25.03.2017.

iii. Issue any other appropriate writ, order or direction in favour of the petitioner as the Hon'ble Court may deem fit in the circumstances of the case.

iv. Award the cost of the petition to the petitioner."

3. The case set forth by the petitioner is that he was initially appointed on the post of Lecturer (Bio) on adhoc basis on 25.07.1991 on account of a vacancy having arisen due to promotion of one Sri Sripal