The sidelined AIADMK leader said, "We are the true AIADMK... people of RK Nagar have elected Amma's successor."
He also sought to make light of the K Palaniswami camp winning the Two Leaves symbol after both camps staked claim for it before the Election Commission.
"During my recent visits to various parts of Tamil Nadu such as Avinashi (Tirupur) and Arumanai (Kanyakumari), people said the pressure cooker (his poll symbol at RK Nagar) will win. They want a change of this regime," he said.
Claiming victory, he said "this is the best gift for the 1.5 crore party supporters" on the 30th death anniversary of party founder, the late Chief Minister MG Ramachandran, fondly addressed as MGR.
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On the symbol issue, with the Election Commission awarding it recently to the Palaniswamy-led camp, Dhinakaran said only a candidate determines the symbol.
"We are the true AIADMK. A candidate determines the symbol. I have already said the 'Two Leaves' will be a success symbol only if it was with Puratchi Thalaivar (MGR) and Amma (Jayalalithaa). Will the people vote if it is handed over to MN Nambiar and PS Veerappa," he asked, amidst chuckles from his supporters.
Dhinakaran said the Palaniswami government will "end in three months."
Meanwhile, jubilant supporters of Dhinakaran celebrated by distribtuing sweets and bursting crackers, while exuding confidence that their leader would triumph with a thumping margin.