Once you attempt the question then PrepInsta explanation will be displayed.
Answer - All of these
As the passage suggests, all of the elements have acted as an influence for the growth of Indian Films in the twentieth century.
A - This era saw directors such as Satyajit Ray, Guru Dutt, Raj Kapoor and Vijay Bhatt create a wide range of classic films, further establishing and redefining Indian film
B - With technology advancements, sound and dialogue became more and more implemented in Indian films throughout the 1930s, leading to a surge of song and dance in films, such as in Indrasabha and Devi Devyani. This element would take a stronghold in Hindi cinema.
C - Proud in becoming an autonomous country, national cinema experienced a Golden Era from the 1940s to the 1960s.
D - With technology advancements, sound and dialogue became more and more implemented in Indian films throughout the 1930s, leading to a surge of song and dance in films, such as in Indrasabha and Devi Devyani. This element would take a stronghold in Hindi cinema,