This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: RNTCP, Subject name: Social & Preventive Medicine
[{'content': 'A patient came to a private practitioner and was diagnosed Tuberculosis. Within how many days he has to inform or register to district health officer? \nSelect and explain. \nA. 1 day, B. 7 day, C. 30 days, D. 1 year', 'role': 'user'}, {'content': 'Answer: C \nExplanation: All stakeholders, both public and private, are required to notify TB cases when patients have been diagnosed or when anti-TB treatment has already been initiated. Repo the cases to the nodal public health authority "at least on monthly basis". "All cases diagnosed/treated since April 7, 2012 may be notified," - states TB notification module of NIKSHAY.', 'role': 'assistant'}]