Who is Khan Sir?

Khan sir is the biggest teacher of India.

Khan sir has a channel on youtube which has 20 million subscribers.There is no such person in India who does not give respect to Khan Sir.

Khan Sir is a resident of Patna, which falls in Bihar, where he makes children prepare for UPSC.There should be no such child of India who does not know about Khan Sir

The Government of India does its work by talking to Khan sir. No one knows the real name of Khan sir yet.

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