The document discusses the history and evolution of Indian cinema over time. It covers the golden age from 1940-1960 which saw critically acclaimed social films and epic movies. The modern age from the late 1960s onwards saw more romantic and action movies that expressed real life and were internationally popular. The document then covers trends in different decades from the 1950s to 2000s in terms of storylines, music, dance, costumes, financing, and promotion of Indian cinema. It also notes some problems currently faced and the promising future prospects for Bollywood.