question_subject:
question_exam:
stats:
keywords:
The correct answer is option 1, Palana. Lignite, also known as brown coal, is a type of coal with a relatively low carbon content and high moisture content. It is considered to be the lowest rank of coal. Palana is a place that is known for lignite deposits.
Option 2, Khetri, is known for its copper mines. Copper mining is the primary economic activity in this region.
Option 3, Hazratbasti, is not known for any lignite deposits. It is important to note that lignite deposits are not found in all places.
Option 4, Korba, is a place known for its coal deposits but not specifically for lignite. It is an important coal mining and industrial center in Chhattisgarh, but the type of coal found in Korba is not lignite.
In conclusion, option 1, Palana, is the correct answer as it is known for lignite deposits.