'What happened.' I try. 'Tell me' and 'What happened' (no inflection at the end, it's not expressed as a question, more like a statement) are interchangeable greetings I've come to notice. In my world it means all this: 'Whats up? How are you? What's wrong? Are you okay? I'm listening! I'm caring!'
I don't understand, let alone speak Kannada, the local language in Bangalore, so we were at a loss. But I took the picture, and he was pleased.