Vamshi Paidipally, the ace director of 'Munna', 'Brindavanam, and Yevadu fame, is all set to tell a human drama on March 25. Days before the release of his Telugu-Tamil bilingual 'Oopiri/Thozha', Vamshi answers a range of questions. He talks about Nag's character, why he chose Nag and Karthi, how doing the film has changed him as a person, and more.