The Concurrent List or List-III (Seventh Schedule)[1] is a list of 52 items (though the last subject is numbered 47) given in the Seventh Schedule to the Constitution of India.
It includes the power to be considered by both the union and state government.
[2] Uniformity is desirable but not essential on items in the concurrent list.
There is an exception to this in cases "where a law is made by the Legislature of a State with respect to one of the matters enumerated in the Concurrent List contains any provision repugnant to the provisions of an earlier law made by Parliament or an existing law with respect to that matter, then, the law so made by the Legislature of such State shall, if it has been reserved for the consideration of the President and has received his assent, prevail in that State.
Provided that nothing in this clause shall prevent Parliament from enacting at any time any law with respect to the same matter including a law adding to, amending, varying or repealing the law so made by the Legislature of the State.