Acclaimed music composer A R Rahman will be presented with a life time achievement award by International Indian Film Academy (IIFA). The award would be presented to Rahman on 6 June at a grand function to be held at Bangkok. The award is being presented to Rahman for his immense contribution to promote Indian film music abroad and also making a mark internationally. The function would be attended by the likes of Shahrukh Khan and Amitabh Bachchan among others.