Step 1: Understanding the Question:
This question tests knowledge of biodiversity hotspots in India.
Step 2: Detailed Explanation:
India has four biodiversity hotspots:
1. Western Ghats and Sri Lanka
2. Indo-Burma
3. Himalayas
4. Sundaland (Nicobar Islands)
Seven (B): Not correct.
Nine (C): Not correct.
Six (D): Not correct.
Thus, the correct answer is four.
Step 3: Final Answer:
Thus, the number of biodiversity hotspots in India is four, which corresponds to option (A).
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