The correct options are
A He changed the capital city of the Mysuru kingdom from Mysuru to Bengaluru.
B He made changes to the judiciary and the police departments of the Mysuru Kingdom to make them more organized.
D He divided the Mysuru kingdom into many administrative units.
Mark Cubbon introduced many reforms in the kingdom. First, he changed the capital city from Mysuru to Bengaluru. Second, the region was now divided into many administrative units. Each of these administrative units was further divided into Districts and Talukas. Third, under Sir Cubbon’s administration, the judiciary and police departments were much better organized.