* Can't figure out the main voice in the song, but there's Usha Uthup in the mix (she's also acting in the film)
* A cross-dressing John Abraham!
* Nice to see Annu Kapoor in a film after a long hiatus
* Great European lilt to the tune
* Oh, and looks like the official title is "7 Khoon Maaf".
(Poster from Bollywood Hungama)
Update (25 Dec): Fight Club finds the base folk Russian song on which "Darrrling" is based (a Russian song called Kalinka).