This document provides an overview of the history and evolution of Hindi cinema from its beginnings in the early 20th century to the present day. It notes that Hindi cinema was born in 1913 with the release of Raja Harishchandra and discusses how the industry grew throughout the 20th century, transitioning from silent films to talkies to color films. It then contrasts some key aspects of 20th century Hindi cinema like story genres, poster production, and music/technology limitations with the expanded scope of 21st century films. The document concludes by celebrating 100 years of Indian cinema and noting that the industry will continue to evolve and entertain audiences.