The correct answer is option 'D', which states that the Governor enjoys all of these powers. Let's understand each of these powers in detail:

1. Summoning or Proroguing the State Legislature:
The Governor has the power to summon and prorogue the State Legislature. Summoning refers to calling a session of the Legislative Assembly or Legislative Council, while proroguing means ending a session. The Governor exercises this power on the advice of the Chief Minister or the State Cabinet. The summoning and proroguing of the legislature are essential for conducting legislative business, such as passing laws and discussing important issues.

2. Appointing one-sixth of the members of the Legislative Council:
The Governor appoints one-sixth of the members of the Legislative Council. The Legislative Council is the upper house of the State Legislature. The Governor exercises this power based on the recommendations of various stakeholders and in accordance with the provisions of the Constitution. These appointments are made to ensure representation from various sections of society and to provide expertise in specific fields.

3. Nominating certain members of the Anglo-Indian Community to the Legislative Assembly:
The Governor also has the power to nominate certain members of the Anglo-Indian Community to the Legislative Assembly. The Anglo-Indian Community represents the people of mixed Indian and European descent. This provision is made to ensure their representation in the legislative process. The Governor exercises this power based on the advice of the Chief Minister or the State Cabinet.

These powers are vested in the Governor to ensure the smooth functioning of the State Legislature and to maintain a balanced and representative legislative body. The Governor acts as the constitutional head and exercises these powers in accordance with the advice of the Chief Minister and the Council of Ministers. These powers help in maintaining the democratic fabric of the state and ensure the participation of various sections of society in the legislative process.

In conclusion, the Governor enjoys all of these powers: summoning or proroguing the State Legislature, appointing one-sixth of the members of the Legislative Council, and nominating certain members of the Anglo-Indian Community to the Legislative Assembly. These powers are essential for the effective functioning of the legislative process and ensuring representation from various sections of society.