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 institute of Homeopathy is located in: 
Select and explain. 
A. Delhi, B. Kolkata, C. Chennai, D. Mumbai
B: Kolkata
Answer: B: Kolkata 
Explanation: The government of india has established a national institute of Ayurveda in Jaipur and a national institute of homeopathy in Kolkata. Ref: Park 21st edition, page 849.