"M Kalaiarasu is being expelled for acting against partymen in his constituency, for working against its growth and bringing disrepute by acting in violation of party discipline," party president G K Mani said in a statement.
Kalaiarasu, representing Anaicut constituency in the Tamil Nadu Assembly was being expelled from party with the consent of PMK founder S Ramadoss and his son Anbumani, Mani said.
The MLA, who had called on Jayalalithaa with constituency related demands today, was being removed from all posts, including primary membership, Mani added.