What is residuary powers
Subjects that do not fall in either the Union, State or the Concurrent List are known as the residuary subjects. These fall within the jurisdiction of the Union Government. The Parliament has powers to make any law with respect to any matter which is not a part of the Concurrent List or State List. This is known as residuary power.
Residuary power is the power retained by a governmental authority after certain powers have been delegated to other authorities.Residuary powers means that Parliament can make laws with respect to all those matters which are not mentioned in the three Lists -\tThe Union List\tThe State List\tThe Concurrent List