After several rounds of meeting with Tamil Nadu election officials, the Election Commission decided to rescind the election notification.
It said the by-election will be held in "due course when the vitiating effect created by the distribution of money and gift items to allure the electors...Gets removed with the passage of time".
Sleuths of the Income Tax Investigation wing conducted searches in properties and offices belonging to Tamil Nadu Health Minister C Vijayabaskar on Friday across Tamil Nadu.
Vijayabaskar is a prominent loyalist of AIADMK (Amma) faction's candidate T T V Dinakaran.
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Vijayabaskar, who is the first state minister to come under the lens of taxmen, is among the key campaigners in the bypolls.
There were also several complaints of alleged money distribution by AIADMK's Amma faction.
The seat fell vacant after the death ofthe then chief minister J Jayalalithaa on December 5 and the bypoll is being viewed as a battle of prestige for the two factions of the AIADMK.
On May 27 last, the EC had recommended to the Tamil Nadu Governor to cancel the notification to hold polls to the Arvakurichi and Thanjavur Assembly constituencies following evidence that a large sum of money was used to influence the voters there.
Tamil Nadu had gone for Assembly polls on May 16 last year after which the AIADMK returned to power for a second consecutive term.
The Commission had used its constitutional powers in March 2012 recommending to the President cancellation of the notification for a Rajya Sabha biennial election from Jharkhand even after the polling had concluded after it found that money was used to influence voters.