Guinness World Record-Professor Maruthi Rao continuously teaches for 150 hours

Watch Guinness World Record-Professor Maruthi Rao continuously teaches for 150 hours | Studio N here. This news was telecasted on Tuesday 17th of March 2015 04:13:00 AM in Studio N. Studio N is a 24 hour Telugu news channel from Narne group which is aired in Andhra pradesh. Click here to watch most viewed STUDION News Today. Visit us for all AP local News, National News, International News, Political News, Breaking News, Andhra News, Telangana News, Telugu News from all TV channels. Guinness World Record-Professor Maruthi Rao continuously teaches for 150 hours | Studio N Video News Online.