Multilingualism refers to the use of two or more languages in a television program, while bilingualism refers to the use of two languages by an individual.

India is known for its multilingual television programming, with over 20 official languages and numerous regional languages.

Simultaneous interpretation refers to a television program that is broadcast in two or more languages simultaneously, with interpreters providing the translation in real time.

Closed captioning is not a common method of providing multilingual access to television programs, as it is primarily used to provide text for the hearing impaired.

Dubbing refers to a television program that is dubbed into a different language, with the original audio track being replaced by the translated audio track.

Reduced social isolation is not a benefit of multilingual television programming, as it can actually lead to increased social isolation for individuals who do not speak the dominant language.

Subtitling refers to a television program that is subtitled in a different language, with the original audio track being retained and the translated text being displayed at the bottom of the screen.

All of the above are challenges associated with multilingual television programming, including increased production costs, technical difficulties, and cultural barriers.

Voice-over refers to a television program that is narrated in a different language, with the original audio track being replaced by the translated narration.

Sports is not a common type of multilingual television program, as it is typically broadcast in a single language with commentary provided in the dominant language of the region.

Code-switching refers to a television program that is broadcast in two or more languages, with each language being spoken by a different character.

Reduced production costs is not a benefit of code-switching in multilingual television programming, as it can actually lead to increased production costs due to the need for multiple actors and language coaches.

Language mixing refers to a television program that is broadcast in two or more languages, with each language being spoken by the same character.

Cultural barriers is not a challenge associated with language mixing in multilingual television programming, as it is typically used to reflect the cultural diversity of a region or community.

Parallel dialogue refers to a television program that is broadcast in two or more languages, with each language being spoken by a different actor.