The Advocate General is a senior law officer who acts as legal adviser to:

State Government

The correct answer is Option (4) → State Government

Similar to the Attorney General of India, the position of Advocate General exists at the state level. An Advocate General is a senior law officer who acts as a legal adviser to the State Government. According to Article 165 of the Constitution, Advocate General is appointed by the Governor of the respective state. The Advocate General is the chief legal advisor of the State and performs duties of a legal character including representing the State before the courts either through himself/herself or through the law officers or pleaders appointed by the State. The qualification required for appointment as an Advocate General is similar to that of a judge of a High Court. The office of an Advocate General is held during the pleasure of the Governor, who also determines the nature of remunerations for the Advocate General. Additional Advocate Generals are also appointed to assist the office of the Advocate General.