<Li> between States, or between residents of different States, or between a State and a resident of another State </Li> <Li> in which a writ of mandamus or prohibition or an injunction is sought against an officer of the Commonwealth . </Li> <P> The conferral of original jurisdiction creates some problems for the High Court . For example, challenges against immigration - related decisions are often brought against an officer of the Commonwealth within the original jurisdiction of the High Court . </P> <P> Section 76 provides that Parliament may confer original jurisdiction in relation to matters: </P>

Who decide the number of judge in high court