The lower growth of coal production in India during 2011-12 was primarily due to–1. environmental restrictions2. non-availability of forestry clearance3. poor law and order situation in coal-producing States4. excessive rainfall in coalmining areasSelect the correct answer using the code given below–

• A. 1, 2, 3 and 4
• B. 1, 2 and 3 only
• C. 2, 3 and 4 only
• D. 1 and 4 only