The Problem of Aryan Origins
The Problem of Aryan Origins is a book by K.D. Sethna. The first edition was published in 1980. A second enlarged version (with five supplements) was published in 1992. (Delhi: Aditya Prakashan, 1992.ISBN 81-85179-67-0)
The book questions the validity of the Aryan Invasion Theory.
The first supplement contains a criticism of the first edition of the book and Sethna's reply. The fifth supplement is a detailed survey in over 200 pages of Asko Parpola's study "The Coming of the Aryans to Iran and India and the Cultural and Ethnic Identity of the Dasas".