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- List of films based on Chetan Bhagat's books
Directed by former actor Atul Agnihotri, 'Hello' was based on Chetan Bhagat's second book 'One Night @ the Call Centre'. Based on the lives of call centre employees, the film had an ensemble cast consisting of Gul Panag, Sharman Joshi, Sohail Khan, Amrita Arora, Sharad Saxena and Esha Kopikar.