Rana Denied to Work with Shimbu-Reasons?

Raana Daggubati Recently went to chennai to hear a story from the Director  of Aadukalam and Polladavan movies. These movie Directed by Vetrimaran. Raana went to hear the Stroy of "Vaada Chennai". In the Story another hero is also there. After hearing full story Rana Said Yes to that. After this he asked that Who is going to take the second hero role?, the Director said Simply Shimbu. Immediately Rana Daggupati said "No" to Director. Film nagar Sources saying that he doesn't like to work with Controversial Shimbu.
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