Stage 1: Deconstruct the query.
The query pertains to the constitutional designation of the Supreme Commander-in-chief of India's military.
Stage 2: Evaluate each alternative.
- Alternative A: The Prime Minister wields considerable authority but does not hold the Supreme Commander-in-chief position. - Alternative B: The Chief of Defence Staff is the highest-ranking military official but not the Supreme Commander-in-chief. - Alternative C: The Defense Minister oversees defense strategy but is not the Supreme Commander-in-chief. - Alternative D: Accurate. The President of India, as stipulated by the Constitution, is the Supreme Commander-in-chief of India’s armed forces. - Alternative E: The Home Minister's purview is internal security, not the military.
Stage 3: Determine the solution.
The accurate response is The President.
Conclusive Determination: \[\boxed{\text{D}}\]