When DMK Deputy Leader Durai Murugan sought permission to raise the matter, the speaker did not allow it, saying the matter had been debated already and that Chief Minister K Palaniswami had responded on the matter.
He recalled that the chief minister had last week clarified that a probe was on in the matter, when Leader of Opposition M K Stalin raised the issue in the House.
With the speaker not budging, Duraimurugan led his partymen out of the House. The main opposition, however, returned soon to participate in the proceedings.
The issue had surfaced recently after a media report claimed that the IT department had seized documents detailing alleged payment of bribes during a search of premises of a gutkha manufacturer last year.
When DMK raised the issue last week, Palaniswami had said the matter was being probed by the Vigilance and Anti-Corruption.
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