The video is based on the typical mindsets of Indian Parents. Sports, other activities, art related are given the least importance here and parents never encourage their kids select any of the other fields except Engineering and secured fields.
So, taking these as an example, after PV sindhu won silver and she was awarded more than 20 crore rupees from different states in India. So reading this in newspaper, Harsha, being a typical father gets shocked or enlightened and thinks this is the best choice for his son to become a millionaire easily. So he changes suddenly, from a strict dad who doesn't encourage sports earlier tells him to start playing badminton.