Heavily influenced by Friedrich Wilhelm Nietzsche, his prose centered "on the search of mythological archetypes and their realisation in the life of a nation, and although its intrigue is always artificial and displays much of pose, he was highly respected both by his compatriots and a number of important European literary figures, such as Stefan Zweig and Nikos Kazantzakis.
His famous play Lamara was staged by the leading Georgian director Sandro Akhmeteli in 1930, a performance which became a prize-winner at the 1930 Moscow Drama Olympiad.
During World War II, he participated in the right-wing patriotic émigré organizations such as the Committee of Independence of Georgia (1941), the Union of Georgian Traditionalists (1942) and Tetri Giorgi.
By comparing passages from both novels (35 comprehensive extracts), the author argues that sections from Ali and Nino: A Love Story are copied from The Snake's Skin.
Additionally, by analyzing the literal parallels in both novels, the author shows "side-by-side" similarities in content, namely repeated stories, myths, legends, characters and plot structures.
[6] The findings of Injia were supported and shared by the representatives from various literary circles, scholars and researchers from Georgia and the US: Gia Papuashvili – documentary movie producer and philologist;[7] Levan Bregadze – German linguist, Georgian literary critic and philologist;[8] Zaza Alexidze – former Director of the Georgian National Center of Manuscripts, and discoverer and decipherer of the Caucasian Albanian written script; Betty Blair – researcher of authorship of Ali and Nino: A Love Story and founding editor of magazine Azerbaijan International.