The correct answer is: a) Garo Hills
The Garo Hills are a mountain range in the northeastern Indian state of Meghalaya. They are part of the Meghalaya Plateau and are located to the west of the Khasi Hills. The Garo Hills are a popular tourist destination, known for their scenic beauty and their unique culture.
The Garo Hills are also home to significant coal deposits. The coal is found in the Barakar Formation, which is a sedimentary rock formation that dates back to the Permian period. The Barakar Formation is located in the eastern part of the Garo Hills, and it is estimated to contain over 1 billion tonnes of coal.
The coal in the Garo Hills is of high quality and is used to generate electricity and to produce steel. The coal industry is a major contributor to the economy of Meghalaya.
The other options are incorrect because:
- The Khasi Hills are a mountain range in the northeastern Indian state of Meghalaya. They are part of the Meghalaya Plateau and are located to the east of the Garo Hills. The Khasi Hills are a popular tourist destination, known for their scenic beauty and their unique culture. However, there are no significant coal deposits in the Khasi Hills.
- The Jaintia Hills are a mountain range in the northeastern Indian state of Meghalaya. They are part of the Meghalaya Plateau and are located to the south of the Garo Hills. The Jaintia Hills are a popular tourist destination, known for their scenic beauty and their unique culture. However, there are no significant coal deposits in the Jaintia Hills.
- The Brahmaputra Valley is a large valley in the northeastern Indian state of Assam. It is formed by the Brahmaputra River, which is the longest river in India. The Brahmaputra Valley is a fertile agricultural region, and it is home to a large population. However, there are no significant coal deposits in the Brahmaputra Valley.