In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option. I won't be able to come to the party, as I have certain _______________ to meet.
1. The powers to legislate with respect to any matter not enumerated in any of the three lists are mentioned as residuary powers. Which of the following is empowered to determine finally as to whether or not a particular matter falls in this category