I think it was the first musical film from Bollywood. I really enjoyed the film. It doesn't seem like Bollywood at all. Anurag Basu has done a fantastic job. But it does have it's flaws. The film was a huge failure at box office and I can see why.
The film is really twisted and strange. The story is hard to understand. It's not really a 10/10 at all but I gave it anyway. This film is only meant for a certain type of audience. It's not everyone's cup of tea. You either love it or you hate it. There is no middle ground.
I really loved the songs, direction Ranveer Kapoor's acting, Cinematography and filming locations. It was a great experience for me.
But Indian audience isn't used to musicals. And the Film's greatest weakness and flaw among many is it's length. Too long. It gets boring at some parts and is really hard to focus.