भारत के किस पहले राष्ट्रपति की मृत्यु उनके कार्यकाल के दौरान ही हो गई थी?

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: In the event of a vacancy in the office of the President of India due to death or resignation, the Vice-President succeeds to the office and serves for the remainder of the predecessor's five-year term. Reason R: When the office of the President falls vacant due to resignation, removal, or death, an election to fill the vacancy must be held within six months from the date of such occurrence. In the light of the above statements, choose the most appropriate answer from the options given below:

Consider the following statements regarding the powers and constitutional position of the President of India: A. The President of India is vested with three types of veto power: absolute veto, suspensive veto, and pocket veto. B. Under the 44th Constitutional Amendment Act of 1978, the President can require the council of ministers to reconsider their advice once. C. All international treaties and agreements are negotiated and made in the name of the President. D. As the Supreme Commander of the Defence Forces, the President can declare war or conclude peace independently of parliamentary approval. Choose the most appropriate answer from the options given below: