Bollywood is the largest film producer in India and one of the largest centres of film production in the world.
Bollywood is the informal term popularly used for the Hindi-language film industry based in Mumbai (Bombay), Maharashtra, India.
The term is often incorrectly used to refer to the whole of Indian cinema; however, it is only a part of the total Indian film industry, which includes other production centres producing films in multiple languages.
Bollywood is formally referred to as Hindi cinema. There has been a growing presence of Indian English in dialogue and songs as well. It is common to see films that feature dialogue with English words , phrases, or even whole sentences