The coordinator of the government's four-member committee, senior journalist Irfan Siddiqui, said the panel will negotiate with the banned Tehrik-e-Taliban Pakistan (TTP) with an open mind.
The state negotiators earlier met in Islamabad to discuss how to start the dialogue and take it forward.
The TTP-nominated committee and state negotiators were originally scheduled to hold talks on February 4 but the meeting was put off after the government panel sought clarifications on some unspecified issues.
Earlier, Aziz said the Taliban wanted to have a meeting with their nominees. He said the panel was deliberating to visit Waziristan or to call the Taliban to a spot near Peshawar for a meeting.
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He further said they could ask Taliban to provide their demands in writing. However, a final decision would be made after meeting the government committee.
The state negotiators include Siddiqui, former ambassaor Rustam Shah Mohmand, journalist Rahimullah Yousufzai and former ISI officer Maj (retired) Muhammad Amir.
He said the country and the government are praying for the success of the dialogue. The government will extend full cooperation to its committee for the talks, he said.
Haq appreciated Khan's role in promoting dialogue and hoped it would yield positive results, state-run Radio Pakistan reported.