Step 1: Understanding the Question:
This question tests knowledge of forest carbon stock in India.
Step 2: Detailed Explanation:
The carbon stock in forests in India is approximately 2.66 billion tonnes.
This is based on the Forest Survey of India reports.
0.52 (A): Too low.
1.45 (C): Too low.
1.11 (D): Too low.
Thus, the correct answer is 2.66.
Step 3: Final Answer:
Thus, the carbon stock in Indian forests is approximately 2.66, which corresponds to option (B).
[0.5cm]