Paanch (2003): Anurag Kashyap has always made films that never follow what the mainstream Bollywood wants. His film Paanch starring Kay Kay Menon were loosely based on the controversial Joshi-Abhyankar serial murders in 1997. The film had lots and lots of obscene language, violence and drug abuse sequences which led to its ban.
12 Banned Bollywood Films You Should Watch