AIADMK-Amma led by Palaniswami accused the O Panneerselvam faction of "refusing" to come for talks.
State Finance Minister D Jayakumar said such "politics of opportunism" will not succeed.
Both OPS and EPS say positive results are expected soon.
In separate letters to the two banks, located at Mylapore area, he said that under the relevant party laws, he continued to be the AIADMK treasurer.
The faction led by O Panneerselvam will be referred to as 'AIADMK Puratchi Thalaivi Amma' and the Sasikala faction will be referred to as 'AIADMK Amma'.
Party treasurer and Chief Minister O Panneerselvam said, "In tune with party rules, honourable Chinnamma is appointed AIADMK general secretary and a resolution to this effect has been adopted unanimously by the general council."
Panneerselvam's remark came a day after the two factions were squabbling and blaming each other for the delay in the talks getting off the ground.
All India Anna Dravida Munnetra Kazhagam chief J Jayalalithaa, who is eyeing a larger role for herself in the national politics after Lok Sabha polls, was on Monday presented a cake resembling Parliament by her party colleagues on her 66th birthday.
A replica of a coffin with late chief minister Jayalalithaa's figurine was on Thursday deployed by All India Anna Dravida Munnetra Kazhagam (Puratchi Thalaivi Amma) faction as part of campaign for the RK Nagar assembly bypoll, highlighting its demand for a probe into her death.
OPS said he was being "forced" to come up with such an announcement.
Weeks ahead of the Tamil Nadu assembly elections, V K Sasikala, expelled All India Anna Dravida Munnetra Kazhagam leader and close aide of late chief minister J Jayalalithaa, on Wednesday announced that "she will stay away from politics," but would pray for the "golden rule" of the late party supremo.
O Paneerselvam did not even sit in Jayalalithaa's office chamber and left her seat vacant in the assembly. This time Amma is not coming back and he has a large number of challenges awaiting him.
The party HQ, addressed as 'Thalamai Kazhagam' in Tamil, now has only banners of late chief minister J Jayalalithaa.
Cries of "Amma" rent the air as a sea of humanity thronged the Rajaji Hall grounds on Tuesday to pay their last respects to AIADMK supremo and Tamil Nadu Chief Minister J Jayalalithaa, whose body lay in state in Chennai where normal life virtually came to a grinding halt.
All India Anna Dravida Munnetra Kazhagam supremo J Jayalalithaa on Saturday walked out of a Bangalore prison following Supreme Court granting her bail in a graft case, arriving to a grand homecoming with scores of avid supporters turning up to welcome her despite heavy downpour.
"Let us all together stop the party and government from going into the hands of a single family again. Let us form a people's government again in sync with the aspirations of people and till then this struggle will continue," he said.
Soon after the Karnataka high court denied bail for Jayalalithaa, Tamil Nadu Chief Minister O Paneerselvam on Tuesday appealed to people not to resort to strike or any other form of protest to express solidarity with the All India Anna Dravida Munnetra Kazhagam chief as she would not like to cause inconvenience to the common man.
Tamil Nadu Cabinet has decided to recommend late All India Anna Dravida Munnetra Kazhagam supremo Jayalalithaa for India's highest civilian honour, the 'Bharat Ratna'.
A new political crisis is brewing in the VK Sasikala camp in Tamil Nadu -- differences between Chief Minister Edappadi Palaniswami and party general secretary Sasikala.
Dinakaran recalled the difficulties faced by party workers in carrying forward their organisational work without a name.
Special prayers and celebrations were held on Monday by ruling All India Anna Dravida Munnetra Kazhagam party workers across Tamil Nadu on the occasion of the 'star birthday' of Chief Minister Jayalalithaa.
As the merger brought to an end weeks of suspense during which there was tough negotiations, the two factions said steps would be taken to expel party chief V K Sasikala.
Though both the Dravidian majors are facing questions on family politics, the ruling party especially finds itself in the dock since its late leader J Jayalalithaa had often used it to target her party's archrival DMK.
All India Anna Dravida Munnetra Kazhagam's Sasikala faction on Thursday said the presence of two leaves symbol, frozen by the Election Commission ahead of the April 12 RK Nagar assembly byelection, on its website was 'unnoticed' and would be removed.
Strongly defending former chief minister and party supremo Jayalalithaa's aide V K Sasikala, ruling All India Anna Dravida Munnetra Kazhagam on Saturday said there is nothing wrong in its leaders calling on her as she is a key member and asserted a person would soon be elected to the top post of General Secretary.
A meeting presided over by Palaniswami said the appointment of Dinakaran as deputy general secretary was against party rules.
Palaniswami, Tamil Nadu's new CM was among the senior ministers who had proximity to Jayalalithaa.
Even as the unity moves between the two AIADMK factions seem to be going nowhere, former chief minister O Panneerselvam is working on a grand alliance of other Opposition parties, reports R Rajagopalan.
A cake, special poojas and a slew of welfare activities marked the 67th birthday of Jayalalithaa.
Expelled AIADMK leader V K Sasikala on Monday returned to Tamil Nadu to a grand reception, days after completing her four-year jail term in Bengaluru in a corruption case, amid indications of a confrontation with the ruling party which she once controlled.
Thousands of people hailing 'Puratchi Thalaivi Amma' (Revolutionary Leader Amma) walked with the cortege.
Tamil Nadu's obsession for honorifics appears to be a never-ending story. The latest is the "Ezhuchi Nayagan" (rising leader) title for All India Anna Dravida Munnetra Kazhagam's new interim general secretary K Palaniswami, proposed by the party's presidium chairman Tamil Magan Hussain in Chennai on Monday.
The IT sleuths recovered 'incriminating' documents from the premises of Vijayabaskar and others, officials said.
A tweet by O Panneerselvam, leader of the Puratchi Thalaivi faction of All India Anna Dravida Munnetra Kazhagam, on a possible alliance with the Bharatiya Janata Party after the declaration of civic polls kicked up a storm on Saturday.
'Our party cadre does not want her in the party.'
The two rival factions of the AIADMK may have merged, but there are problems staring at it on all fronts -- governmental, political, electoral and organisational, says N Sathiya Moorthy.
62 candidates vye for Amma's mantle in the Radhakrishnan Nagar assembly by-poll in Tamil Nadu, but who will fortune favour?
"It is me in the video, but the voice is not mine," Saravanan told reporters.
AIADMK leaders want Chinamma to succeed Amma as party general secretary, but it is not a done deal yet.
The hospital, where the AIADMK general secretary was admitted on September 22 after she complained of fever and dehydration, said she was "constantly being monitored".