Section 26(1)(ii) in Rajasthan Police Subordinate Service Rules, 1989
(ii)In the case of specialised/technical posts, so specified in sub-rule (1) above the eligibility for promotion of District/Unit/Battalion/Range/State basis of persons holding substantive ranks and enumerated in Column 5 of Section I, II and IV of the Schedule-I shall be laid down by the Director General- cum-Inspector General of Police.