8 . The petitioner was appointed in the year 1964 as Economic Investigator in the Rural Industries Project, Nawada, and accordingly, he joined on 20.07.1964 and the Government of Bihar decided to merge the Rural Industries Project to District Industries Centre vide letter dated 11.05.1978 and it was mentioned therein that the merger will include the employees also. Accordingly, the petitioner became the employee of the District Industries Centre, Gaya. This new development was informed by the Joint Secretary to Accountant General, Bihar, vide letter dated 11th May, 1978 (Annexure-4) therein it has been mentioned that the employee of the Rural Industries Centre will be merged with the District Industries Centres along with the employees and the petitioner later on, with effect from 10.04.1992 promoted to the post of General Manager, District Industries Centre in the pay scale of Rs.300-4500/-. The District Industries Centre, Gaya, along with Muzaffarpur Industries Centre were taken over by the Government without its employees on 28.02.1994 and that created a heart burning to employees who were working there, they approached this Court in C.W.J.C. No. 3066 of 1994 and after detailed discussion on the facts and on law the Court was of the view that they continuously discharged the duty of the Centre and the principle of promissory estoppel will be applicable