1. The Petitioner is a civilian in the defence services. He has filed this petition under Art.226 of the Constitution to set aside an order passed by the President of India terminating his services as Lecturer in the National Defence Academy, Khadakvasla, and reverting him to the post of Section Master, Rashtriya Indian Military College, Dehra Dun, his parent department, on which post he held a lien, and a consequential order directing him to proceed to Dehra Dun on reversion to his parent department.

2. In September 1947 the Petitioner was appointed as Section Master in the Prince of Wales Royal Indian Military College at Dehra Dun (now known as 'The Rashtriya Indian Military College') in the grade of Rs. 275-50-800 - with duty allowance of Rs. 100/- per month and free accommodation. This appointment was for a period of one year pending recruitment of a candidate through the Federal Public Service Commission. In 1948 three posts of Section Master and six posts of Senior Master in the Prince of Wales Royal Indian Military College, Dehra Dun, were advertised for recruitment. The revised grade of pay shown for the posts of Section Master was Rs. 350-25-500-30-560 and that for the pos