It’s not the website problem or Sivaji: The Boss file problem, it is your hardware problem. If you’re using old hardware and have low specifications, you will have problems with no or late audio/voice/sound, and even can’t play the video file, even if you download it. Internet speed connection is also very important for this Sivaji: The Boss processing file. Many new movies videos file such as Sivaji: The Boss, are not able to be played again in low spec gadgets or old hardware.
As you must know from now on, technology keeps evolving.