However, colour did not become a popular feature until the late 1950s.
At this time, lavish romantic musicals and melodramas were the staple fare at the cinema.
Bollywood is part of the larger cinema of India (also known as Indywood), By revenue, Bollywood is the largest film producer in India, and the second largest film producer in the world after Hollywood.
Bollywood represents 43% of Indian net box office revenue, while Telugu and Tamil cinema represent 36%, and the rest of the regional cinema constitute 21%, as of 2014.
The 1970s thus saw the rise of commercial cinema in the form of enduring films such as Sholay (1975), which consolidated Amitabh Bachchan's position as a lead actor.
The devotional classic Jai Santoshi Ma was also released in 1975.
The "Curry Western" trend that began with Sholay (1975), written by Salim-Javed, also falls under the masala film genre.The term "Bollywood" itself has origins in the 1970s, when India overtook the United States as the world's largest film producer.Credit for the term has been claimed by several different people, including the lyricist, filmmaker and scholar Amit Khanna, There was clearly a huge market for talkies and musicals; Bollywood and all the regional film industries quickly switched to sound filming.The 1930s and 1940s were tumultuous times: India was buffeted by the Great Depression, World War II, the Indian independence movement, and the violence of the Partition.Most Bollywood films were unabashedly escapist, but there were also a number of filmmakers who tackled tough social issues, or used the struggle for Indian independence as a backdrop for their plots.