In kachhua.com, Author (trainer) is the person who can create his own course and sell on kachhua.You can create a course by recording your video, creating your material and generating question bank and Tests.
Videos should be of board teaching or presentation teaching.
Collect all things together and Upload on kachhua.
After selling, You can earn money as per decided amount.
In kachhua, by "Be Author" you will become an Online trainer who can train others through own recorded videos and handwritten or created material.