The correct answer is A) Hyderabad.
Hyderabad is the capital of Telangana and the sixth-largest city in India. It is a major center for information technology, pharmaceuticals, biotechnology, and manufacturing. The city has a thriving IT cluster, which is home to many multinational corporations such as Google, Microsoft, and IBM. The IT cluster is a major driver of economic growth in Hyderabad and has created thousands of jobs.
Warangal is the second-largest city in Telangana and is known for its historical monuments. The city is also a major center for education and healthcare. However, it does not have a thriving IT cluster.
Karimnagar is the third-largest city in Telangana and is known for its agriculture and manufacturing industries. The city does not have a thriving IT cluster.
Khammam is the fourth-largest city in Telangana and is known for its coal mining and power generation industries. The city does not have a thriving IT cluster.