Patna:
Lalu Prasad Yadav, routed in the Bihar elections, has congratulated Nitish Kumar on his victory and assured the new government of his party's cooperation.
But he was pointed in saying that he was not congratulating the BJP.
Lalu conceded defeat saying the results were unexpected and said he accepted the people's mandate. He also he would introspect on why his party had suffered so big a defeat.