Step 1: Role of Advocate General.
The Advocate General is the chief legal advisor to the state government. He is appointed by the Governor of the state under Article 165 of the Indian Constitution.
Step 2: Role of Solicitor General.
The Solicitor General, on the other hand, assists the Attorney General of India and is concerned with the Union Government, not the state governments.
Step 3: Conclusion.
Therefore, the Advocate General is the correct answer, making option (2) correct.