how to show Author information in search results

Question

Google search result does not show author information or thumbnail images. the source code look like this

<link rel="author" href="https://plus.google.com/115911773396772351667/posts"/>

procedure followed same like what google says. unfortunately the result doesn't appear.

here is the website link http://www.mohananvaidyar.org/

if anybody any body know the reason please answer. Thanks in advance