"It was to due to a fall in his blood pressure. He was admitted to a private hospital. He is okay now," DMK spokesperson and Rajya Sabha MP T K S Elangovan said.
Durai Murugan was scheduled to take a flight to Tiruchirappalli to go to Aravakkurichi constituency for campaign work.
"I am ok now. I have been discharged. I have come home," the DMK leader said.
The 78-year-old leader was engaged in hectic campaign for three Assembly constituencies in Tamil Nadu, where polls will be held on November 19.
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