The introduction of sound recording technology in the 1930s revolutionized Indian cinema, leading to the creation of talkie films and the rise of popular musical genres like Bollywood.

The digital revolution brought about significant changes in Indian cinema, including the use of advanced visual effects and animation, the ability to create films with smaller budgets, and the wider distribution of films through online platforms.

Mani Ratnam is known for his innovative use of digital technology in his films, such as the 2002 romantic drama "Kannathil Muthamittal" and the 2010 historical epic "Raavanan".

Raga-rock is a genre of music that combines elements of Indian classical music (ragas) with Western rock music.

Technology has transformed the marketing and promotion of Indian films by enabling filmmakers to reach a wider audience, create interactive campaigns, and target advertising more effectively.

The Dharamshala International Film Festival is known for its emphasis on independent and experimental cinema, showcasing films from around the world.

Technology has played a crucial role in preserving and restoring Indian films by enabling digitization, advanced restoration techniques, and the creation of digital archives.

Mira Nair's 1988 film "Salaam Bombay!" won the Academy Award for Best Foreign Language Film in 1989.

Bollywood is the name of the Indian film industry based in Mumbai, known for its Hindi-language films.

Mrinal Sen is known for his distinctive style of filmmaking, often characterized by surreal imagery and non-linear narratives.

The International Film Festival of India (IFFI) is an annual film festival held in Goa, India.

Ritwik Ghatak is known for his realistic and socially conscious films, often exploring themes of poverty, inequality, and social injustice.

Kollywood is the name of the Indian film industry based in Chennai, known for its Tamil-language films.

Guru Dutt is known for his visually stunning and technically innovative films, often exploring themes of identity, alienation, and the human condition.

Tollywood is the name of the Indian film industry based in Kolkata, known for its Bengali-language films.