Rana gets invitation for Big B’s 70th Birthday Added on Oct 09, 2012 Rana Daggubati is one among the invitees for Amitabh Bachchan’s 70th birthday celebrations, who will be attending dinner tomorrow night. A source close to us has informed that Rana has gone to Mumbai to attend the dinner party. Rana and Big B shared a great rapport during the making of RGV’s ‘Department’. Apart from Rana, Chiranjeevi and Nagarjuna are among the special invited guests who will be wishing Big B a happy 70th birthday the night before. Amitabh Bachchan will turn 70 on October 11th. But Jaya Bachchan is hosting a grand dinner tomorrow night for invited guests from film fraternity, political leaders and few close friends.