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
[{'content': 'License to blood bank is given by – \nSelect and explain. \nA. Drugs controller general of India, B. Director general of health services, C. Director general, Indian council of medical research, D. Director general of blood bank services', 'role': 'user'}, {'content': 'Answer: A \nExplanation: o License from food and drugs control administration (FDA) is a must for operating blood bank.\no The drugs controller General (India) is the central License approving authority.\no On the other hand, regulatory control remains under the dual authority of the state and the central Government.', 'role': 'assistant'}]