Explanation:

Article 248 vests residuary powers within the 'domain Of the Parliament. the . Canadian ,constiftition was; taken the idea of a federation . with a strong Centra and . placing residuary powers with the centre. Any subject which is not given under the three lists /is under residuary risdiction of the centre The division of subjects contained in favor of centre beca use the Union list contains .98 subjects, besides these, the centre has supremacy . over the concurrent list which has 52 subjects. The residuary subjects are also 'under the control of the centre