There is Digital marketing course
Hello,
If you study engineering irrespective of any branch you will have marketing management in your semester course an elective course . Digital marketing is a kind of market management where marketing is done through social media and networks.
if you will pursue MBA at any university or institute then you will learn the complete story of it and what happens there. There are free courses are also available. if you need to learn now then you can search in google or youtube.
Hope it helps!