The Congress Working Committee member, Ghulam Nabi Azad, is part of the 'G-23 group of the Congress that had asked Sonia for sweeping changes in the party structure.
Sidhu wanted Deol's ouster on the pretext that he was a counsel for former Punjab DGP Sumedh Singh Saini and represented him in 2015 Kotkapura police firing incident cases related to Sikhs protesting against blasphemy incidents.
Sonia Gandhi called Lalu Prasad on Tuesday right after she convened a meeting of general secretaries, state in-charges and other senior functionaries of the party.