(i) The three-fold distribution of legislative powers:
(a) Union list: Union lists consist of 97 subjects. It includes subjects of National importance such as defence of the country, foreign affairs, banking, communication and currency.
(b) State list: State list consists of 65 subjects. It contains subjects of state and local importance such as police, trade, commerce, agriculture and irrigation.
(c) Concurrent list: Concurrent list consists of 47 subjects It includes subjects of common interest to both such as education, forest, trade unions, marriage, adoption and succession.
(ii) Union Government can make laws on the subjects which are not covered under these lists. The name has been given to such subjects is residuary subjects.