This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Forensic Toxicology - Concepts, Statutes, Evidence, and Techniques, Subject name: Forensic Medicine
[{'content': 'Permittable alcohol level in blood as per motor vehicle act 1988 is below? \nSelect and explain. \nA. 30%, B. 40%, C. 50%, D. 60%', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) 30%Ref: Forensic medicine by P.V. Guharaj, 2/e, p 397', 'role': 'assistant'}]