Section 28A(4) in The Rajasthan Police Service Rules, 1954
(4)Selection for promotion in the regular line of promotion from the post/posts not included in service to the lowest post or category of post in the Service shall be made strictly on the basis of merit and on the basis of seniority-cum-merit in the proportion of 50:50:Provided that if the Committee is satisfied that suitable persons are not available for selection by promotion strictly on the basis of merit in a particular year, selection by promotion on the basis of seniority-cum-merit may be made in the same manner as specified in these Rules.
