Other Western directors have made Bollywood movies, but nobody succeeded before Danny Boyle. It took the director of Trainspotting to do it, and do it so well. All the familiar tropes of a masala film are there, the good/bad brothers, the romance, the death(s) of the loved one(s), the dance number, etc., but Boyle doesn't imitate the formula as other Westerners have -- he has internalized it and so it comes out fresh again. Very Indian. A.R. Rahman's score is another good example of this cultural fusion, as is M.I.A. As my friend Sanjay says, India is all about fusion.
Danny Boyle on Destiny: