A total of 18 MLA, including chief minister, can be included in the cabinet Channi had taken oath as the chief minister following the unceremonious exit of Congress veteran Amarinder Singh.
Seven new faces are likely to be inducted in the Punjab cabinet while five ministers, who were part of the Amarinder Singh-led government, are expected to be dropped, sources said.
The leaders also demanded that the cabinet berth may instead be filled up "by giving representation to a clean Dalit leader".
Those who rallied behind Sidhu in the power tussle with Amarinder are likely to find a place in the cabinet.
A consensus on the names for the CM Channi-led cabinet was reached during his meeting with Congress leader Rahul Gandhi and other senior party members in the national capital.
Punjab CM Charanjit Singh Channi leaves for Delhi, Congress high command to decide on Punjab cabinet
Charanjit Singh Channi left for Delhi, where he is likely to discuss the expansion of the state Cabinet with the Congress' central leadership.
A few ministers in the previous Amarinder Singh cabinet may not find a place in Channi's team and some new faces are expected.
Deputy Chief Ministers Sukhjinder Singh Randhawa and OP Soni will also accompany Channi in the high-level meeting in the national capital.
Punjab cabinet headed by CM Charanjit Singh Channi deliberates to allow free mining of sand by landowners
A special campaign will be launched by the Rural Development and Panchayats department to identify and finalize the allotment of plots to the eligible beneficiaries within two months.
CM Amarinder Singh reportedly did not oppose Sidhu's return to the cabinet and chances are that he would be given an important portfolio.