Section 108(3) in The Karnataka Prohibition Act, 1961
(3)Any Prohibition Officer to whom such officer is subordinate may, during the course of the investigation, take over the investigation himself or direct any other Prohibition Officer duly empowered, to conduct the same. The officer in conducting the investigation shall have the same powers under sub-sections (1) and (2) as if he was the Prohibition Officer appointed for the area or for the purpose of investigating the said offence.