Actor-politician Nandamuri Balakrishna has completed 50 years in the telugu film industry and says it is a world record because he has stayed Hero over all these years and even now. On the eve of a grand function to felicitate him at which chief ministers of both Telugu states will be present, the 64-year-old ‘Unstopppable’ Star spoke to NDTV’S Uma Sudhir about what people don’t know about his dad NTR, films, politics and who will be future AP CM.