Congress’s electoral setback in three key states spurs criticism from regional allies in INDIA bloc. Bihar CM blames Congress’s defeat on “arrogance”. Trinamool Congress asks Congress to shed “zamindari attitude”. RJD and Samajwadi Party swipe at Congress’s reluctance to honor allies’ requests for seat-sharing. TMC advocates making Mamata Banerjee the face of the opposition alliance. Congress failed to strengthen its position within the INDIA bloc.