Party's state unit president Pon Radhakrishnan said talks with allies - DMDK, PMK and MDMK - were progressing smoothly.
"We want to finalise it (seat-sharing talks) by this evening," he told reporters here.
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BJP's list of candidates was expected to be released after that, he said.
The party is involved in talks with actor-politician Vijayakanth's DMDK for the past one week even as it is holding discussions with other allies also.
It was learnt that the wish-lists of constituencies of DMDK and PMK are overlapping, causing delay in finalising the seat sharing.