Explanation
The Indian President's power to issue an ordinance is an example of legislative power.
Under the Indian Constitution, the power to legislate is vested in the Parliament, consisting of the President and the two Houses. However, in case of an emergency or when Parliament is not in session, the President has been granted the power to issue an ordinance on any matter on which Parliament has the power to legislate.
This power to issue an ordinance is a legislative power, as it involves the making of laws that have the same effect as an Act of Parliament. The President's power to issue an ordinance is not a part of his executive functions, as it does not involve the execution of laws but rather the creation of temporary laws.
Thus, the correct answer is B: Legislative Power.