The One Hundred rupee note bears the signature of :

Correct option is A

The One Hundred rupee note in India bears the signature of the Governor of the Reserve Bank of India (RBI). This signifies the note's authenticity and value as legal tender.
Important Key Points:
1. The RBI Governor's signature is a guarantee of the note's value.
2. The design and security features of the note are periodically updated.
3. The RBI is responsible for the issuance and regulation of currency in India.
4. The note features various security elements to prevent counterfeiting.
Information Booster:
 President of India: Signs currency coins but not banknotes.
 Finance Minister: Responsible for the economic policy but does not sign currency notes.
 Finance Secretary: Involved in the financial administration but does not sign currency notes.