RJD chief Lalu Prasad on Saturday accused Prime Minister Narendra Modi of trying to create differences between him and Bihar Chief Minister Nitish Kumar.After Modi lauded Nitish Kumar but targeted him and the Congress on Bihar's development, the former chief minister said: "Modi is lauding one of us and attacking another. It is a clear strategy to divide us. But it will never succeed."Nitish Kumar's Janata Dal-United, Lalu Prasad's Rashtriya Janata Dal, the Congress and the Nationalist Congress Party have formed an alliance against the BJP in the coming Bihar assembly election.