This film carries an 'A' certificate (Adults Only). The Tamil dubbed version does not censor the gore. You will see:
If you are a collector, older physical media releases (DVDs) of the Saw series sold in India often came with multi-language audio options, including Tamil. Checking second-hand markets or online marketplaces for old stock might yield a high-quality dubbed copy. Saw 6 Tamil Dubbed
Creative and Gruesome Traps: The Saw series is famous for its elaborate traps, and Saw 6 does not disappoint. From the "Oxygen Mask" trap to the "Carousel" trap, the film features some of the most memorable and intense sequences in the series. This film carries an 'A' certificate (Adults Only)