Bihar Chief Minister Nitish Kumar on Thursday slammed his Punjab counterpart Charanjit Singh Channi for his reported exhortation—"Don't let UP, Bihar ke bhaiya enter Punjab"—made during a roadshow with the Congress national general secretary Priyanka Gandhi Vadra. “What a big role the people of Bihar have in Punjab; how much service the people of Bihar have done. We wonder how people say such a thing,” said Bihar CM.