The remarks came even as Congress sources said that back channel talks with Nitish Kumar's JD(U) have begun.
There is a view that Congress talking to JD(U) again may be a pressure tactic to make RJD fall in line as it is playing hard ball.
Congress had fought the 2004 Lok Sabha election in alliance with RJD and Ram Vilas Paswan's LJP and the alliance had won 29 of the 40 Parliamentary seats.
