This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
National tuberculosis institute is situated at: 
Select and explain. 
A. Mumbai, B. Kolkata, C. Bengaluru, D. Delhi
C: Bengaluru
Answer: C: Bengaluru 
Explanation: Bengaluru