Hukum Singh's parents were both killed in an airplane accident in 1952 when he was under one year old, so he was brought up by his stepmother Krishna Kumari.
[2] In 1974, he was charged with attempted murder for twice pointing a pistol at a police officer and threatening to kill him.
[3] The case was dismissed by the High Court of Rajasthan, who stated that while this may have been criminal intimidation, it was not attempted murder since Hukum Singh did not fire the weapon.
[5] Alternatively, he is said to have been quietly sleeping in a charpoy in the garden of his official residence when he was violently attacked by unknown assailants.
[5] Finally, he was known to have been unhappy with property matters and his status in the family and had met his stepbrother Maharaja Gaj Singh the night before his death.