They have copied the site. Changing the files will accomplish very little unless they are only caching the originals.
Anyway, the credits are there: http://www.laptoprepairkerala.com/css/style.css
Anyway, the credits are there: http://www.laptoprepairkerala.com/css/style.css
Looks like there's just a couple images linked from our img sub domain - everything else was copied and pasted.