How to make contact page

To provide a simple about/contact information page, you can use the Page feature in WordPress (Write > Write Page, Manage > Pages).

For something more complex, this may fit the bill:

https://ryanduff.net/projects/wp-contactform/

no dude.,. no.. not that… see like index.php which is homepage and appears according to blog template.

I want to setup, like about me page which appears same as blog template style, and i want to add some scripts to it.

Go with setting up a Page. You can add scripts to it by creating and assigning it a custom Page template:

https://codex.www.ads-software.com/Pages#Creating_your_own_Page_Templates

how to include another php script in that page?

Just like you would any php script:

<?php include('my-script.php'); ?>

By creating your own Page Template, you can do any PHP-related thing you want in it.

Thanks a lot man,.. you are gr8. ??