After decimating BJP in Bihar, grand alliance leaders Nitish Kumar and Lalu Prasad on Sunday spoke of plans for forging a strong national alternative as an “effective opposition” to the BJP. RJD chief Lalu Prasad, who addressed the joint interaction, said the grand alliance will launch a nation-wide stir against the “communal” Narendra Modi government. On his part, Lalu asserted that they will “continue with our fight. There will be such a long-term impact of Bihar results on the national politics that you cannot imagine. The Modi government, the RSS government will be demolished.