Khan Sir Video

Khan Sir Video. Khan sir is a general studies teacher who has over 10 years of teaching experience. The indus river valley (or harappan) civilization lasted for 2,000 years, and extended from what is today northeast afghanistan to pakistan and northwest india.

23.4m subscribers • 380 videos. Khan sir’s videos explain anything that is happening in current affairs which he attributes to his deep knowledge of various subjects, which he credits his late.