Union list: It includes 97 subjects of national importance such as defence of the country, foreign affairs, banking, communiations & currency.
State list:  It contains 66 subjects of state & local importance such as police,   trade, commerce, agriculture, & irrigation.
Concurrent list: It includes 47 subjects of common interest to both the union & state govts  , such as education, marriage, forest, trade union, adoption & succession.