Income Tax authorities recovered the cash from the residence and other premises of Aravakurichi DMK candidate KC Palanichamy and his son KCP Shivaraman at Karur, the officer said.
IT authorities had carried out the 'raids' on receiving information and a probe was on to ascertain the nature of the money seized, the officer said.
IT and electoral officials have been conducting searches at many places in the state to check inflow of illegal money.
In Madurai, a local All India Anna Dravida Munnetra Kazhagam functionary was arrested near Tirumangalam on the charge of attempting to bribe voters and Rs 81,000 seized from him, police said.
On a tip-off, police rushed and arrested Jeevanandam, Secretary of AIADMK's Periyavaakaikulam, when he was trying to distribute money to voters in the village, they said.
Police said it seized Rs 81,000 cash from him.
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