Smarting from the worst-ever debacle in the Lok Sabha elections, Maharashtra Chief Minister Prithviraj Chavan will expand his ministry tomorrow, in probably the last such exercise before the state Assembly elections due later this year.

Facing demands for his ouster following the drubbing, Chavan had met Congress president Sonia Gandhi on Sunday, a move seen as an attempt to keep under check voices of dissent.

According to sources in the Congress-NCP government, Chavan is likely to fill in three unoccupied ministerial slots of the Congress quota, including that of a Cabinet minister and two Ministers of State.

There have been murmurs of dissent in Congress for a long time over these posts being kept vacant by Chavan. Congress legislators Amit Deshmukh, son of former Chief Minister late Vilasrao Deshmukh, Kalyan Kale and Rohidas Patil are among the probables from Congress.