The petitioners have filed three separate writ petition, seeking an identical relief arising out of the same cause of action and, thus, all the three writ petitions are being disposed of by this common order.

2. Common prayer in the aforesaid three writ petitions is for issuance of an appropriate writ in the nature of mandamus or any other appropriate writ, commanding upon the concerned respondents to immediately and forthwith allow them the unrevised Graduate Trained Pay Scale of Rs.850-1360/-in the 4th Pay Scale and the subsequent replacement scales of pay in the 5th Pay Scale with effect from the respective dates on which the petitioners acquired teachers training in the light of the Government letter no. F/Wa 1-08/80 Ed. 50 dated 20.2.1981.

3. The facts, in brief, are stated as under:

Under the UNICEF Plan, Science Teachers were to be appointed in Primary Schools running up to Class-VIII as Additional Science Teachers. The then Education Commissioner, Bihar, Patna, vide its letter no.285 dated 20.1.1979, addressed to all the District Superintendents of Education, communicated the said decision by letter dated 20.2.1981 of the Special Secretary to the Government that 2300