Digital Marketing is one of the most sought job and very prominent in the market, with the right skill and passion there is no-one who can stop you from earning well in this field. There are many courses available in the market which you can apply for, I will list few of them below.
1. Hubspot offers certification in Digital Marketing and the catch is they are free and well recognized by the industries.
2. There are online courses as well it will cost you around 12,000 Rs to 20,000 depending upon the content and duration of the course.
You can get into search engine optimization (SEO), social media, pay-per-click (PPC), conversion optimization, web analytics, content marketing, email and mobile marketing by doing a certification in Digital Marketing. You can start with blogging to get a hang of it.