3. The factual exposition as has been delineated in the writ petition is that the petitioner was appointed to the post of Assistant Engineer in the Road Construction Department, Govt. of Bihar, Patna vide Notification No. 2199 dated 16.06.1987 of the said Department as per the provisions of the Bihar Engineering Class II Service Rules, 1939, pursuant to a selection process undertaken by the Bihar Public Service Commission. Thereafter, the petitioner was promoted to the post of Executive Engineer w.e.f. 15.06.1995 vide notification No. 6325 dated 27.08.1996 read with letter No. 7107 dated 04.12.1997 of the said Department as per the provisions of the Bihar Engineering Service Class I Rules, 1939. On bifurcation of the erstwhile State of Bihar, the services of the petitioner was allocated to the State of Jharkhand. Petitioner, thereafter, joined as Superintending Engineer in Building Construction Department in his own payscale till further orders. Vide several notifications, petitioner continued to work as Superintending Engineer in Building Construction Department and on 17.07.2007, he was given the additional charge of the post of Chief Engineer, Building Construction Department, Jharkhand and further to the post of Director, Monitoring-cum-Evaluation-cum-Purchase, Ranchi of the said Department. Vide notification No. 5089 (S) dated 08.07.2014, as contained in memo No. 5097 dated 08.07.2014 of the Road Construction Department, Jharkhand regular promotion to the petitioner was granted to the post of Superintending Engineer and thereafter, petitioner was transferred and posted to the post of Technical Secretary to the Chief Engineer, National Highway Wing, Road Construction Department, Jharkhand with additional charge of the post of Chief Engineer, National Highway Wing, Road Construction Department, Jharkhand.