I want to add a custom page layout template to my infopath form layout. Is it possible? actually i want to make my infopath desings on this background. thanks 4 help.
Yes you can create a layout for infopath forms just like you would when creating a bespoke layout. The following links highlights who to create your own page layouts in Visual studio.
The following highlights how to do it in SPD
If you want to Style the infopath forms then you need to do this in infopath and knowledge of HTML (using tables) will be required.
Hope this helps.