Multiple choice Where are the largest coal reserves found in India? Assam Jharkhand Orissa None of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation Jharkhand has India's largest coal reserves, primarily in the Damodar Valley. Major coalfields include Jharia, Bokaro, Ramgarh, and Giridih. While Odisha and Chhattisgarh also have significant coal, Jharkhand leads in proven coal reserves.