HomeUPSCThe maxim ignorantia juris non excusat does mean : 211. The maxim ignorantia juris non excusat does mean :By Admin / October 4, 2025 A. Mistake of court is no defence. B. Mistake of judicial act is no defence. C. Mistake of fact is no defence. D. Mistake of law is no defence. ✅ The correct answer is option D.