Physicswallah (pw), the edtech unicorn founded by Alakh Pandey, is gearing up to go public this year. In a sector that has been gripped by scepticism, Pandey has steered PW to a valuation of $3.7 ...

…but later in 2017, he uploaded fresh videos for Class 10 and they became an instant hit among the students. The videos on ICSE board exams fetched him more than 10k subscribers. Alakh Pandey ...