Section 27B(ii) in The Rajasthan Subordinate Co-Operative Service (Class I) Rules, 1955
(ii)in case a person belonging to Scheduled Caste/Scheduled Tribe is promoted on higher post and posted by the Appointing Authority against a vacancy available in District or Zone or Range or Division, other than a Home District or Zone or Range or Division, he shall be eligible for transfer to his Home District, Zone or Range or Division, in which he has been posted on promotion to higher post;