The actor will be joined by co-star Kareena Kapoor as they publicise the movie in a number of Indian cities, as well as London, New York and Dubai.
Ek Main Aur Ekk Star will present "the highs, the lows, the late nights, the pre-dawn scrambles for flights, the ecstasy, the euphoria, stress and the struggles that Imran experiences", said a statement.
The documentary will later feature on Dharma Productions' official YouTube channel.
The romantic comedy releases on February 10, 2012.
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The actor earlier filmed a live blog from the Mumbai set of the film. Watch the blog below: