An official Tamil-dubbed version of Christopher Nolan's Dunkirk (2017) likely does not exist. Reports from its theatrical release indicate it was not dubbed into Indian languages, including Hindi, to preserve its original soundscape.
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Emotional Depth: The Tamil dubbing often adds a lyrical quality to the internal monologues of the soldiers. dunkirk tamil dubbed isaidub exclusive
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Dunkirk: A Brief Overview
Part 1: Why 'Dunkirk' in Tamil? The Demand for Dubbed Versions
Part 5: Legal Alternatives to "Isaidub Exclusive" the "exclusive" experience is a degraded
In short, the "exclusive" experience is a degraded, theft-ridden imitation of the real film.