Sometimes the dual audio track is off by half a second. In VLC: -> Track Synchronization -> Adjust the "Audio track synchronization" (negative values if the audio is ahead, positive if behind).
When looking for the "top" version of this film, enthusiasts generally look for specific technical markers: 1920x1080 (Full HD). the+chronicles+of+narnia+3+1080p+dual+audio+movie+top