I'm assuming you're looking for the full piece or soundtrack of the movie "Kung Fu Panda" in Tamil, and possibly related to the website Tamilrockers.
Often, the movies on these sites are not good quality. They might be recorded in a theater with a camera, so the picture and sound are bad. kung fu panda tamilrockers
There is a common myth: "Hollywood is rich; they won't miss my one download." This is false, especially regarding localized content. I'm assuming you're looking for the full piece