If you cannot wait, check the official "Tamil Movies" YouTube channels. Many production houses rent the movie for ₹99 to ₹199 for a 48-hour window. This is cheaper than a cup of coffee and puts money directly into the pockets of the creators.
Sites like Kuttymovies are unofficial piracy platforms that distribute copyrighted content without permission. While they may offer "free" access, they often carry hidden costs: Lights Out Kuttymovies