Chetan Bhagat (born 22 April 1974) is an Indian author, columnist, screenwriter, television personality and motivational speaker, known for his Indian-English novels about young urban middle class Indians. Bhagat also writes for columns about youth, career development and current affairs for The Times of India (in English) and Dainik Bhaskar (in Hindi).
Bhagat's novels have sold over seven million copies. In 2008, The New York Times cited Bhagat as "the biggest selling English language novelist in India’s history".Bhagat's screenwriting have included the dramedies Kai Po Che! (2013), 2 States (2014), the action-superhero movie Kick (2015), and Half Girlfriend (2017). He won the Filmfare Award for Best Screenplay for Kai Po Che! at the 59th Filmfare Awards on January 2014.He moved to Amazon Publishing on April 27, 2018 from Rupa Publications as per the news resources, and his first novel with Westland is The Girl In Room 105.