Asked if the TMC, led by former Union Minister G K Vasan, will join the alliance, Elangovan told reporters that there was no possibility of that party allying with DMK-Congress.
On the delay in deciding the number of seats Congress was contesting, he said it will be announced in a couple of days.
Senior Congress leader Ghulam Nabi Azad would have another round of talks with DMK chief Karunanidhi and announcement made within two or three days, Elanvgovan said.