Saugat

I solved my problem.

First I just cleared all white spaces before <?php tag in functions.php

Secondly I didn’t used multiple <?php ?> tags. I’ve just put my entire code on a single <?php tag with no ending ?> so that i can add other functions required later on.

Finally I’ve saved the changes and it worked out!

Hope this works for you too poonam. Best of luck!!!

Thanks in Advanced

The same problem during login in wp-admin page. When newly created theme directory is deleted everything works fine, when pasted, the same problem happens during login.
But when I run the same website in my computer using xampp, no such thing happens.
Please help me with this: ERROR: Cookies are blocked due to unexpected output. For help, please see this documentation or try the support forums.
Thanks in advanced..