When his father, Jaswant Singh, died in 1862, he left behind a will stating that the state of Alirajpur was to be divided equally between his sons, Ganga Deo and Rup Deo.

[1] When his eldest brother was deposed in 1869 and Alirajpur was placed under superintendence, he was given a role in the administration.

[2] It was done to ensure he was properly trained for the duties that would devolve upon him when he succeeded his brother.

[2] At the time of his succession, the Government of India decided to make no changes to the existing administration until Rup proved his ability to efficiently fulfill the responsibilities of governance.

[5] His death led to a succession dispute in Alirajpur which was resolved when the Government of India selected Bijai Singh as his successor.