Question

The extent of executive power of the Union according to the provisions of Article 73 of the Constitution extends to.
A. Matters with respect to which the Parliament has power for making laws
B. Exercise of such rights with the authority and jurisdiction, which are exercisable by the Government of India based on International Treaty or Agreement
C. Either (a) or (b)
D. Both (a) and (b)

Answer 1

Hint:
Executive power of the Union is aligned with the President. It is implemented and executed by him either directly or through the officers subordinate to him according to the Indian Constitution. The supreme command of defence forces of the Union of India is also vested in him.

Complete answer:
According to Article 73 of the Indian constitution, the executive power of the union extends to the matters for which Parliament is having the power to make laws. Also, parliament has to do the exercise of such rights, authority and jurisdiction as are exercisable by the GoI due to any international treaty or agreement. Thus options (a) and (b) both are correct and valid.

Thus the correct option is D.

Additional Information:
The Articles of the Constitution discuss the duties of the three main parts of our government. These three are as: the Executive Branch, the Legislative Branch, and the Judicial Branch. The articles also talk about the separate powers covered by the Federal and State government. Also, sometimes it is right to change the Constitution.
India is having a Parliamentary Government. It is the government in which the executive is responsible and answerable to the legislative only. It is also termed as the Cabinet Government due to the concentration of executive powers in the Cabinet ultimately.

Note:
Article 73 stated in an exact way, to provide the executive power of the Union towards the parliament. They shall extend it to the matters with respect to which Parliament has the power to make laws.