Hello @_vikas_ ,
You should be able to add favicon to the header section in page properties
<link rel="shortcut icon" type="image/jpg" href="Favicon_Image_Location"/>

Or in Page (v5 compatibility) activity header section.

Why do you use this activity? I have one nice workaround for not to use it when building forms. I will tag you when I will write it on blog 🙂
Marcel Szimonisz
MarTech Consultant
for more tips visit my blog
https://www.martechnotes.com/