7.
The answer is: D
Explanation
The correct option is D: Attorney General of India.
The Attorney General of India is the Indian government's chief legal advisor, and is the primary lawyer in the Supreme Court of India. He is appointed by the President of India under Article 76 (1) of the Constitution and holds office during the pleasure of the President. The Attorney General has the right of audience in all Courts in India as well as the right to participate in the proceedings of the Parliament, though not to vote.
He can be invited to give his opinion in the Parliament due to his role as the principal legal advisor to the government, his expertise in constitutional law, and his ability to provide valuable insights into complex legal issues.