Atul Agnihotri director of "HELLO' returns from USA after shooting some important scenes. Cinematographer Sanjay F Gupta accompanied the director for the schedule in USA. The cast and the main crew were from America. The shooting took place at various locations in America. Beside this they also shot a scene in a private plane too.

Presented by Paul Parmer the film "HELLO', is adapted from Chetan Bhagat's Best Seller Book "One Night @ a Call Centre' is produced under the banner of Reel Life Productions and directed by Atul Agnihotri.

Hello stars Sharman Joshi , Sohail Khan , Ishaa Koppikar , Amrita Arora , Gul Panag , Sharat Saxena , Dalip Tahil along with Salman Khan and Katrina Kaif in a special appearance. Other credits include executive producer Ranjit Shah, music by Sajid / Wajid, lyrics by Jalees Sherwani, cinematography by Sanjay F Gupta, screenplay by Chetan Bhagat and Atul Agnihotri , Story / Dialogues by Chetan Bhagat, editing by Umesh Gupta, sound designed by Jitendra Choudhary, production designer Muneesh Sappel action by Mahendra Verma.