Short term

Can you improve your mathematics to the best of your ability?
Your command over maths gets you name, fame and money.

Hi,
You can look into the various short term courses offered by Whistling Woods International at:
https://www.whistlingwoods.net/short-course-unit
If you're looking for online courses, you should have a look at WWI Virtual Academy. It is an online educational platform through which Whistling Woods International continues to deliver its unique pioneering world-class education. You can find further details about Virtual Academy at:
http://wwivirtualacademy.com/

Hi,
You can refer this link for short term courses and certifications:
https://www.shiksha.com/certificate-courses-are-faster-cheaper-and-shorter-than-degree-programs-article-4544-1
All the best.

You would be required to do various projects, hence your knowledge in the same has to be sound. Rather than just depending on your course, you should practice and get freelance projects.

Hi,
You can pursue courses in specialization like business, marketing, etc. Even a Master's course in any of the specialization will get you a handsome salary.
All the best.