There is no space for any new political party in the alliance led by DMK, Karunanidhi told reporters here.
DMK had been openly wooing the DMDK, headed by actor-politician Vijaykant, for an alliance, but the latter was yet to make clear his choice.
Karunanidhi said the party manifesto would be released in two days.
A committee would be formed to discuss the candidates and their constituencies, he said.
On Chief Minister J Jayalalithaa's remarks at the AIADMK poll campaign at Kancheepuram that the 2G scam was spearheaded by DMK, Karunanidhi said, "I think she has forgotten about disproportionate assets case (against her) in Bangalore.