I noticed the difference too. Maybe Hindu monkeys are different to Buddhist monkeys. LOL. But Buddhist monkeys will steal too if they get chance. I was living in Himachel Pradesh (mainly Buddhist area) when a troup of monkeys invaded our balcony. I was so glad the windows had bars on them.
I had a brown paper bad of playing dice on the window sill. One of the females looked at it, then looked at me, I yelled "HEY!!" which was a useless thing to do. She looked at the bag then at me again, and grabbed it and took off. When she realised they weren't food she tossed them. They weren't easy to replace, so I had to hunt in drains and everywhere for them. Lots of stairs and levels. But I got them all back. We reorganised the window sill situation after that... :-D I have a video of a baby monkey chasing pigeons at the monkey temple I will tag you when I upload it.