There is no official Tamil dub. Tamilyogi will only give you a pirated English version with Tamil subtitles (if you're lucky) or a malware infection (if you're not). The risks far outweigh the benefits—legal trouble, poor quality, and cyber threats.
While the original English version gained a cult following for its intense narrative and memorable line ("It was free pizza!"), fans in Tamil Nadu are searching for one specific phrase: This search query has gained traction as viewers look for a localized version of the film. Knock Knock Tamil Dubbed Tamilyogi
You can try, but you will likely end up with a fake file or a virus. It is not recommended. There is no official Tamil dub
No. Netflix India only has the English version with English subtitles. No Tamil audio. Knock Knock Tamil Dubbed Tamilyogi