One of the challenges faced by the mining sector in Telangana is:

The correct answer is D. All of the above.

The mining sector in Telangana is facing a number of challenges, including:

• Lack of skilled labor: The mining sector is a labor-intensive industry, and the lack of skilled labor is a major challenge. The mining sector in Telangana is facing a shortage of skilled workers, which is making it difficult to meet the demand for labor.
• Fluctuating mineral prices: The prices of minerals are volatile, and this can make it difficult for mining companies to plan and operate their businesses. The prices of minerals are affected by a number of factors, including supply and demand, the global economy, and political factors.
• Regulatory hurdles: The mining sector is subject to a number of regulations, which can make it difficult and expensive to operate a mining business. The mining sector in Telangana is subject to a number of regulations, which can make it difficult and expensive to operate a mining business. These regulations are designed to protect the environment and the health and safety of workers.

These challenges are making it difficult for the mining sector in Telangana to grow and contribute to the economy. The government of Telangana is working to address these challenges, but it is a complex and difficult task.