All three had sent their resignations to the chief minister, sources in the state secretariat said.
Mamata also termed the demonetisation a disaster and urged Twitter users to change their display pictures to black to protest against the note ban.
Banerjee had taken the initiative to call meeting between government and hill parties after Gorkha National Liberation Front (GNLF) wrote to her requesting for opening dialogue in order to resolve the crisis caused by indefinite shutdown in Gorkhaland.
Media reports say Ajit Banerjee is one of the beneficiaries of the ill-gotten money of the now-bust group.
BJP hopes to finally open account in state Assembly riding on good run in the segment during Lok Sabha polls
BJP and Trinamool Congress head into a fierce contest for two West Bengal assembly seats on September 13.
Justice Shyamal Sen said the Saradha CMD had been given enough opportunities to defend himself.
She said acute fund crunch was posing difficulties in carrying out development programmes.
Mamata assures them govt does not approve of militant trade unionism.
CPM sources said at least four CPM party workers and a student were killed in post-poll violence.
The CM based the assessment on the utilisation fo budgetary allocations to that particular department.
CM hopes new govt will address her worries on debt repayment, but refuses to answer questions on what her expectations are from it.
Justice (retd) Shyamal Sen, who heads the commission, claimed that it will continue to perform the duties it was assigned by the state government.
The media is creating an artificial hype and they have become a paper tiger.
Hours earlier, Rahul Gandhi, addressing a rally at Nagrakata in Jalpaiguri district, had criticised the state government.