The most reliable method to access the Tamil version is through official streaming platforms that offer multi-language support.
The movie is available to buy or rent on the Apple TV Store. When you purchase a digital copy, it often includes all available language tracks as part of the package. Pk Movie Tamil Audio Track Download
Unofficial tracks are often heavily compressed or recorded in low quality. The most reliable method to access the Tamil
If you already own a legal digital copy that includes multiple languages, here is how to switch to Tamil: Pk Movie Tamil Audio Track Download