L Rajagopal, Sabbam Hari, V Arun Kumar, Sai Pratap, Harsha Kumar and R Sambasiva Rao, who were expelled from the Congress for moving a no-confidence motion in the Lok Sabha against the UPA government, attended the meeting.
State ministers S Sailajanath, P Satyanarayana and Parthasarthi were also present at the meeting.
Kiran Reddy resigned as chief minister and quit the Congress after the Lok Sabha passed the bill for formation of a Telangana state.
Full coverage: Telangana tangleHe alleged that the Congress had done grave injustice to Telugu-speaking people.
Governor ESL Narasimhan has accepted Kiran Reddy's resignation and asked him to continue as caretaker chief minister.
The Congress has not yet taken a decision whether to name a new chief minister or impose President's rule.
The central government is likely to issue in a couple of days a gazette notification for formation of Telangana and the successor state of Andhra Pradesh.