The correct answer is A) Hyderabad.
Hyderabad is the capital of Telangana and the seventh most populous city in India. It is known as the “Pharma Capital of India” because it is home to a large number of pharmaceutical companies. The city is also a major center for education and research in the field of pharmaceuticals.
Warangal is the second largest city in Telangana and is known for its historical monuments. The city is also a major center for agriculture and manufacturing.
Nalgonda is a district in Telangana and is known for its rice production. The district is also home to a number of industrial units.
Karimnagar is a district in Telangana and is known for its cotton production. The district is also home to a number of industrial units.