Panneerselvam was asked by reporters at Theni if the goal of his "Dharma Yudham" against Sasikala, close aide of late chief minister J Jayalalithaa, had been achieved.
"For sure, the objective is fulfilled," he said.
A stable government was in place in Tamil Nadu, he added.
"We have come together and a stable regime is on," he said, in an obvious reference to the factional unity and the ouster of jailed leader Sasikala and her nephew TTV Dhinakaran last year from the party.
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He had asserted that only a person chosen by both the people and cadres should succeed him in the government and take charge of the party.
Panneerselvam today recalled the AIADMK's history and said both party founder M G Ramachandran and Jayalalithaa had led the party as a cadre-based outfit, an indication of his opposition to Sasikala and her family's dominance in party affairs.
"We too had stressed that the party should continue to be so (giving prominence to cadres rather than a family)," he said.
Breaking a 40-minute long meditation spell in front of the burial site of Jayalalithaa at Marina beach here close to 10 PM on February 7, 2017, Panneerselvam had said he had been insulted and forced to resign to pave the way for Sasikala's elevation as the state chief minister.
Following the revolt, Dhinakaran was brought into the party again to helm the outfit by Sasikala just before she went to jail and Palaniswami became the chief minister.
The two factions merged in August last year.
Amid speculation of discontent among a section of Panneerselvam loyalists after the merger, Munusamy was asked if workers were functioning cordially and had accepted the leadership of Panneerselvam and Palaniswami.
"We have joined," he replied.
Now the term "Dharma Yudham" will only mean service to the people and the country, Munuswamy said.
"Leaders and cadres of the party will work for the people with devotion," he added.