AIADMK legislature party leader A Anbalagan had recently charged Narayanasamy with violating model code by meeting voters in his office and cabinet room to decide certain welfare schemes.
Anbalagan had alleged that officials of Puducherry government were also present at the meeting.
Talking to reporters Naarayanasamy described the allegation "baseless."
"I never had such a meeting with voters of Nellithope in my office", he said
A John Kumar of the Congress had vacated the seat to enable Narayanasamy contest a by-election before December 6 deadline for getting elected as a Member of the Legislative Assembly.