The correct answer is (d) Public Order.
The Seventh Schedule of the Constitution of India lists the subjects on which the Union and the States have power to make laws. List III, the Concurrent List, contains subjects on which both the Union and the States have power to make laws.
Public order is one of the subjects in List III. It includes matters such as the maintenance of public order, the prevention of crime, and the safety of life and property.
The other options are not included in List III.
(a) Criminal Procedure is a subject in List II, the State List. It includes matters such as the investigation of crimes, the prosecution of offenders, and the punishment of offenders.
(b) Police is a subject in List II, the State List. It includes matters such as the recruitment and appointment of police officers, the training of police officers, and the maintenance of law and order.
(c) Prisons is a subject in List II, the State List. It includes matters such as the construction and maintenance of prisons, the management of prisons, and the treatment of prisoners.