Which High Court Declared CBI as Unconstitutional?

Question:

Which High Court Declared CBI as Unconstitutional?

Hints:

1. The High Court ruled that the setup of the Central Bureau of Investigation was "unconstitutional" as it was not done through any constitutional law.
2. The High Court also stayed CBI from investigating cases.

Options:

A. Mumbai High Court

B. Chennai High Court

C. Gauhati High Court

D. Delhi High Court