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
Where is the Central Labour Institute located? 
Select and explain. 
A. Mumbai, B. Kolkata, C. Chennai, D. Kanpur
A: Mumbai
Answer: A: Mumbai 
Explanation: The Central Labour Institute was set up in Mumbai in 1970 to study various aspects of occupational health. The regional labour institutes are located in Kanpur, Kolkata and Chennai. Ref: Park 21st edition page: 759.