Dinesh Gundu Rao, who was among the 14 ministers dropped in the Karnataka cabinet reshuffle, was on Monday made State working Congress President.
The announcement was made by AICC General Secretary Janardan Dwivedi, who said party chief Sonia Gandhi has approved the move.
Son of former Chief Minister R Gundu Rao, Dinesh is a three-time MLA and has been national spokesperson of the party.
At present, Home Minister G Parmeshwar is also the PCC Chief.
There has been talk of Energy Minister D K Shiva Kumar likely to be made the PCC chief.
Chief Minister Siddaramaiah yesterday dropped 14 ministers and inducted 13 members into his Council of Ministers in a bid to give a face-lift to his three-year old government.
Assembly elections in the state are two years away.