Khan Sir (born Faisal Khan, 12 December 1993) is an Indian educator and YouTuber based in Patna, Bihar. He is known for teaching general studies, geography, history and current affairs to competitive-exam aspirants in a simple, humorous Hindi style, often using hand-drawn maps. His YouTube channel Khan GS Research Centre and online platform Khan Global Studies have made him one of India's most recognisable teachers.
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