The exercise is being undertaken at the behest of Congress President Sonia Gandhi
Having suffered its worst-ever poll debacle, Congress will begin its review exercise on Saturday when a panel headed by senior party leader A K Antony will meet party leaders from Delhi unit to pinpoint the reasons for defeat.
All the seven candidates of Congress, who lost in the Lok Sabha polls including Kapil Sibal, Ajay Maken, J P Agrawal, Sandip Dikshit have been called for the feedback.
Mr Antony and All Indian Congress Committee (AICC) general secretary Mukul Wasnik will be taking stock of the reasons for the 7-0 defeat of the party in the national capital.
Party sources said Mr Antony will also be meeting PCC (Pradesh Congress Committee) chiefs, CLP (Congress Legislative Party) leaders and other party functionaries from various states in the days to come to find out what went wrong with the party in the national elections.
The exercise is being undertaken at the behest of Congress President Sonia Gandhi who has been assigned by the party's top decision-making body, the Congress Working Committee, to effect the necessary changes in the organizational set up.
Mr Antony will prepare a report which may be finalised before the Budget Session of Parliament.
The party is reported to be contemplating changing Chief Ministers in Maharashtra, Assam and Haryana besides replacing PCC chiefs in around 10 states including that of Maharashtra, Uttar Pradesh, Odisha and Tamil Nadu.
Congress has got its lowest tally of 44 seats in the 543-member Lok Sabha in elections held in April-May this year.