@Tushar,
I have created a custom module and hosted on Github
l have created a...

@Tushar,

I have created a custom module and hosted on Github

l have created a demo site and used this module on the site to demonstrate use of the function.

Change the filter of Tag on the site to see change in the title.

• Articles with the tag First: http://sites.nik4u.com/drupal-demo/article-list?field_tags_tid=2
• Articles list: http://sites.nik4u.com/drupal-demo/article-list

Let me know.