The buzz around Ramayana has only grown stronger ever since the teaser of Nitesh Tiwari’s ambitious mythological drama was unveiled. Starring Ranbir Kapoor in the lead, the two-part cinematic spectacle is already being hailed as one of the costliest and most ambitious projects in Indian cinema, with reports suggesting that the film is being mounted on a staggering budget of nearly Rs 4000 crore. Amid the excitement, music maestro AR Rahman has now opened up about collaborating with celebrated German composer Hans Zimmer for the film’s soundtrack, calling it an “epic collaboration.”