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
According to RNTCP, tubercular pericarditis should be treated with which category of anti-tubercular regimen? 
Select and explain. 
A. Category III, B. Category I, C. Category II, D. Category IV
B: Category I
Answer: B: Category I 
Explanation: None