Step 1: Understanding the Concept:
The climate of a country is determined by several geographical factors, including latitude, proximity to the sea, altitude, wind patterns, and relief features like mountain ranges.
Step 2: Detailed Explanation:
India is located in southern Asia, spanning latitudes from approximately $8^\circ 4' \text{ N}$ to $37^\circ 6' \text{ N}$.
Although the Tropic of Cancer ($5^\circ \text{ N}$) passes through the middle of the country, dividing it into a tropical southern half and a subtropical northern half, India's overall climate is classified as tropical.
This tropical classification is due to two main geographical factors:
1. The Himalayan mountain range in the north acts as a barrier, blocking cold, dry winds from Central Asia and keeping the subcontinent warm throughout the year.
2. The Indian Ocean, Arabian Sea, and Bay of Bengal regulate temperatures and drive the tropical monsoon system, which brings seasonal rains to almost the entire country.
As a result, despite regional variations that range from subtropical in the north to temperate and alpine in the high Himalayas, India's primary geographical climate classification is tropical monsoon.
Step 3: Final Answer:
Therefore, the climate of India is primarily classified as Tropical, corresponding to option (A).