Correct option is D
The principle that the "Prime Minister itself is a separate class" was laid down in P.V. Shastri v. Union of India. This case highlighted the unique role and status of the Prime Minister within the political and constitutional framework of India.
Information Booster:
The Prime Minister is the head of the government and the chief executive officer of India, distinct from other political and executive offices due to the central role in policy-making and administration.
Additional Knowledge:
· Ram Prasad v. State of Bihar, P.K. Garg v. Union of India, and State of M.P. v. G.C. Mandavar: These cases deal with different Constitutional and administrative matters but are not related to the Prime Minister’s unique status.