Section 24B(7)(b) in The Rajasthan Co-Operative Service Rules, 1954
(b)in a Service [x x x] [Deleted by F. 1(17) DOP/A-II/84, 5-11-84] where there are only three scales e.g. junior scale, senior scale and selection scale and there are two promotions then promotion shall be as under:-(i)first promotion on the basis of seniority-cum-merit;(ii)second promotion on the basis of seniority-cum-merit and merit in the proportion of 50:50.