Andhra-Telangana

On November 1st, 1956, a Telugu state called Andhra Pradesh was formed from the merger of a Telangana part of Hyderabad kingdom and Andhra state that was formed in 1953 from the Madras province of British East India. The State of Andhra Pradesh is home for approximately eighty million strong Telugu speaking nationality.

Telugu language, land and people have many names. Andhra, Aandhra, Tenumgu, Tenungu, Telugu, Telumgu, Telungu, Trilinga, Vadagu, Vaduga, and Gentoo are names by which Telugu people and their language are known. Andhra and Aandhra are Sanskrit names for Telugu. Tenumgu, Tenungu, Telugu, Telumgu, Telungu and Trilinga are names used in Telugu literature. Vadagu and Vaduga are Tamil names for it. Gentoo is a Portuguese name for Telugu people and their language.

Refer: http://www.vepachedu.org/Andhra-Telangana.html
http://www.fullhyderabad.com/discussions/viewtopic.php?t=43008