Yadav told the media that he was saddened by efforts to stop them from entering the centre by deploying the police.
In yet another controversial remark, Bihar Chief Minister Jitan Ram Manjhi on Monday sought to justify Maoists extorting levy from contractors who, he suggested, were indulging in corruption and looting the state.
In another dig at Kumar for joining hands with the Rashtriya Janata Dal of Lalu Prasad, Modi reeled out Bihar police crime figure to claim "Jungle raj has begun to knock Bihar."
'There was news in some quarters that Modi himself will enter the fray from Patna Sahib on a second seat in addition to Varansi ... What happened?'
Under fierce attack for his DNA jibe against Bihar Chief Minister Nitish Kumar, which has been turned into a major electoral weapon against him, Prime Minister Narendra Modi on Tuesday sought to make amends, calling Biharis the "most intelligent" people.
'Does a political or social worker ever retire? Is Nitish Kumar himself contesting the assembly elections'