AVC: Were there places it was difficult to get permission to film?
DB: There's lots of things that can be solved with cash. [Snickers.] And there's occasional things that can't be solved with cash, which become a bureaucratic nightmare for some reason, and there's no distinction between the two. There's no way of reading a situation and saying, "Yes, that'll be a bureaucratic nightmare, but that one we'll be able to buy off." It just depends on the day, apparently. The most extraordinary thing, you'd be given permission for, and then the weirdest, simplest things, you just wouldn't be able to obtain permissions. And it would go on and on and on forever and ever, and there was no way to know. You have to kind of approach it with an open, quite optimistic mind, no matter what's thrown at you, because it will only ever result in damaging the film if you let any kind of despondency get to you. You have to remain optimistic, and that's clearly how people live their lives there. Against all the odds, they retain kind of a spirit which allows them to get through against insufferable odds...
An interesting interview with Danny Boyle, about filming Slumdog Millionaire in Mumbai. I particularly identified with this paragraph: