$ npm install gst-india -g
$ gstindia --help
Usage: gstindia <option> [input]
Options:
-h, --help output usage information
-V, --version output the version number
-i, --info About
-w, --what What is GST
-W, --why Why GST is implemented
-e, --explain [value] Explains the GST related keywords
-t, --type Types of GST
-h, --history History Of GST implementation in India
-b, --benefits Benefits of GST