Section 21(2) in U.P. Irrigation Department Research Supervisors Service Rules, 1982
(2)The inter se seniority of persons appointed directly on the result of any one selection, shall be the same as determined by the Commission :Provided that a candidate recruited directly may lose his seniority if he fails to join without valid reasons when vacancy is offered to him. The decision of the Appointing Authority as to the validity of reasons shall be final.
