The correct answer is option1 i.e., Chief Justice of India.
The Supreme Court Rules of Procedure of 1966 and Article-145 of the Constitution of India provides for the power of Chief Justice of India to allocate all work to the other judges who are bound to refer the matter back to him.
Sl no.
Post
Incumbent
Description
1.
President of India
Shri. Ram Nath Kovind
President of India is the ceremonial head of the country as well as the Commander-in-Chief of the Indian Armed Forces.
2.
Chief Justice of India
Shri. Sharad Arvind Bobde
Chief Justice of India is the head of the Judiciary in India who is appointed by the President of India. (The First CJI was Shri. H J Kania.)
3.
Prime Minister of India
Shri. Narendra Modi
Prime Minister of India is the leader of the executive of the Government of India and the senior-most member of cabinet in the executive of government in a parliamentary system.
4.
Attorney General of India
Shri. K. K. Venugopal
Attorney General of India is the post of the Indian government's chief legal advisor who has the right of audience in all Courts in India as well as the right to participate in the proceedings of the Parliament.