Tinlianthang Vaiphei, J.

1. After hearing Mr. B.D. Konwar, the learned counsel for the petitioners, and Mr. B. Gogoi, the learned standing counsel for the Finance Department, I am of the opinion that the sole question which falls for consideration in this writ petition is whether the petitioners can invoke the principles of legitimate expectation to claim the relief. The controversy arose on the following facts and circumstances. The petitioner No. 1 is an association of All Assam Heads of Department Ministerial Officers, while the petitioner No. 2 is the President of the Association. The remaining petitioners are members of the Association and they, having a common grievance, are joining together to file this writ petition. In the early part of 1960, the Government of Assam introduced a scheme for training Assistants drawn from various Heads of Departments, District and Subordinate Offices for training in Accounts. This scheme was revised in the year 1965 whereunder the trainees on completion of the training ware entitled to the following:

"(i) With credit (75% and above) - 2 (two) advance increments and a cash reward of Rs. 100/-;

(ii) Grade-I (60% and above but less than 75