A prestige dialect is the dialect that is considered most prestigious by the members of that speech community. In nearly all cases, the prestige dialect is also the dialect spoken by the most prestigious members of that community, often the people who have political, economic, or social power.
Arabic – In the Arab League countries, Modern Standard Arabic is considered the H-language, or high-prestige language. In contrast to most prestige dialects, it is not used in day-to-day conversation, but rather as a language of the political/social media programs and as a written language. If someone speaks it in streets and regular conversations, people will laugh about it.
Mandarin - In China, the original and not much corrupted by other countries, tribes, and similar influence is Cantonese. Mandarin become popular by enforcement of political power, and in fact Mandarin is very corrupted and highly influenced by foreign powers.
Tamil - in tamil nadu, (an indian state), Sri Lanka and Singapore. High prestige dialect is Senthamizh, the proper and standard form. Also widely used in literature, newspapers and formal documents and internet. Colloquial dialects differ with region and vary less from the standard form. Colloquial dialects contain loan words and slang words. These are used in conversations alone.
Telugu – In the Indian state of Andhra Pradesh, the standard form is based on the dialect spoken in Krishna District. urban area of Guntur speaks more or less the standard form of telugu which is in use by news channels, print media, and in popular cinema.
^islamonline.net: Germanus, the orientalist who loved Koran & Arabic language#The love of Arabic languuge “‘Germanus’ [...] looked forward to Cairo, to be entertained by listening the (Classical) Arabic language [...] He was shocked [...] for who were laughing at him for his speaking in (Classical) Arabic and they answered him back with vernacular vocabulary...”
^Dictionary of Languages: The Definitive Reference to More Than 400 Languages By Andrew Dalby, Columbia University Press, page no. 301, ISBN 0-231-11569-5
^ abMiriam Butt (1995). The structure of complex predicates in Urdu. Center for the Study of Language and Information. p. 8. Retrieved 31 December 2011. "The Urdu spoken in Lucknow is held to be the representative of pure Urdu."
^ abAnwar S. Dil (1965). Studies in Pakistani linguistics. Linguistic Research Group of Pakistan. Retrieved 31 December 2011. "However, the dialect which enjoys the highest prestige is the Delhi-Lucknow Urdu."