Who is the first Law officer of India?

Attorney-General

The correct answer is Option 4 - Attorney-General

The Attorney General of India is the highest legal officer and the first law officer of the Government of India.
The Attorney General provides legal advice and assistance to the Government of India on various legal matters, including constitutional issues, legislative matters, and international law.
The Attorney General serves as the chief legal advisor to the President of India and the Government of India. They provide legal guidance to various ministries and government departments on legal matters affecting their functions and responsibilities.
The Attorney General has the right to participate in the proceedings of both houses of Parliament, though they cannot vote.
They hold a position equivalent to a cabinet minister.