Which of the following are true with regard to coal in India?I. Coal is found in sedimentary rocksII. The best quality of coal is ligniteIII. The largest and oldest coalfield in India is known as the 'Ruhr of India'.IV. The Damodar river valley is popularly known as the Ruhr of India.

Which of the following are true with regard to coal in India?I. Coal i

1.	Which of the following are true with regard to coal in India?I. Coal is found in sedimentary rocksII. The best quality of coal is ligniteIII. The largest and oldest coalfield in India is known as the 'Ruhr of India'.IV. The Damodar river valley is popularly known as the Ruhr of India.
A.	and IV
B.	, II and III
C.	, III and IV
D.	I, III and IV
Answer» D. I, III and IV