Anthony D'Alessandro Editorial Director/Box Office EditorEXCLUSIVE: Former CAA agent and Imagine Artist Management partner-manager Raj Raghavan is joining Echo Lake Entertainment as a talent manager, where he’ll continue to rep a roster of accomplished actors, playwrights, comedians and novelists.Raghavan’s clients include Golden Globe Nominee Jason Lee (My Name Is Earl), four-time Filmfare Award winner and Bollywood superstar Alia Bhatt (Gully Boy), British Independent Film Award winner Ashley