What are inline vf page?what is the use of it?

Hi Sushant,

A Visualforce page with attribute standardController with an object name can be referenced inside the page layouts of the object.

For more info, refer to these links:

http://www.infallibletechie.com/2015/05/what-are-inline-visualforce-pages-in.html

http://sfdcsrini.blogspot.in/2014/08/how-to-use-inline-visualforce-page.html