The starcast of the film -- Zulfikar Sayed and Sonnya Jehan -- was present at the function at the Oxford book store along with producer Irshad Alam, director Akbar Khan and music director Naushad.
The book has been authored by Suresh Kohli and published by Om Books International. Mr Kohli said the book will take the reader through the journey of the making of this magnum opus.
The film releases on November 18. The lavish production, releasing with 800 prints worldwide, will also witness grand premieres across India, the UK and the US. The film is being distributed in India by Mukta Arts Ltd.