"Deeply disappointing and a wake-up call," Ramesh, who is convenor of the party's strategy committee for the 2014 Lok Sabha polls, told PTI.
Stunned by the drubbing in assembly polls in Delhi, Madhya Pradesh and Rajasthan, top leadership of the Congress has pledged "deep introspection" with a view to "transform" the party to rectify its mistakes ahead of Lok Sabha elections.