Vacancy of the President's office: In which circumstances can the office of the President of India fall vacant? Consider all constitutionally recognized causes of vacancy. Choose the correct option.

Given data

• Possible causes: resignation, death, removal, or otherwise (e.g., invalid election).

Concept/Approach
The Constitution provides for vacancy due to resignation (to the Vice-President), death, or removal via impeachment, among other exceptional situations. Hence, the inclusive choice applies.

Final Answer
All of the above