Palaniswami said he would respond to the issue after going through Panneerselvam's remarks, made at an AIADMK office-bearers meeting at Theni on Friday.
"I don't know about it. I will comment after going through it (Panneerselvam's remarks)," he told reporters here.
Meanwhile, senior state BJP leader and Union minister Pon Radhakrishnan ruled out the possibility of Modi's role in the merger, saying the "prime minister has at no point of time involved himself in politics."
However "Panneerselvam's remarks show as if they (AIADMK) are still in some kind of problem," he said in an apparent reference to the pre-merger differences between the two camps.
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Panneerselvam,who last year merged his faction with that of Palaniswami, had said on Friday that he had acted on a suggestion from the prime minister.
"He (Modi) said that you (Panneerselvam) could join (merge the faction) to save the party," the deputy chief minister had said, without specifying exactly when the conversation took place.
He also asked if the prime minister was the "general secretary of the AIADMK" to whose suggestion Panneerselvam paid heed.
"If he (Panneerselvam) says he joined (merged his faction) because the prime minister suggested so, then who is the general secretary of AIADMK, the prime minister?," he told reporters in Chennai.
Dhinakaran said that if Sasikala wanted to become the chief minister, she could have done so on the very night Jayalalithaa died, i.e December 5, 2016, but that she chose Panneerselvam for the job.
"If he was really troubled (by the Sasikala family) how could have she made him the chief minister. In fact, Panneerselvam had proposed Chinnamma (Sasikala) as chief minister on February 5 last year," he said.
Sasikala was elected leader of the AIADMK legislature party, paving her way for her elevation as chief minister. However, Panneerselvam revolted against her two days later, alleging he was forced to make way for her. Sasikala was later that month convicted in an assets case and is since lodged in a prison in Bengaluru.
"If anyone else had faced this amount of crisis and problems, they would have committed suicide or would have left the party. (But) I tolerated everything for Amma," he had said.
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