The correct answer is C) Adilabad.
The highest peak in Telangana is Agastya Mala (also known as Agastya Konda), which is located in the Adilabad district. It is a mountain peak in the Western Ghats, with an elevation of 1,600 meters (5,200 feet). The mountain is named after the Hindu sage Agastya, who is said to have lived there.
The other options are incorrect. Warangal is a district in the Telangana state of India. Khammam is a district in the Telangana state of India. Mahabubnagar is a district in the Telangana state of India.
Agastya Mala is a popular tourist destination. The mountain is home to a number of temples and shrines, as well as a variety of plant and animal life. The mountain is also a popular destination for trekking and hiking.