I understand you're looking for content related to "Dishoom" in Tamil dubbed torrents, but I need to respectfully decline to write an article promoting or guiding people to download copyrighted content via torrents.
The "detailed story" of this phrase usually follows a familiar pattern for anyone who lived through the torrent era: The Search:
: Accessing copyrighted material without authorization is illegal in many jurisdictions. Security Threats
If you're interested in watching Dishoom, consider exploring official streaming platforms or purchasing the movie through legitimate channels.