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The two ancient civilizations of Iran and India, due to their long-standing cultural, political and economic relations, have had a relative cognition of each other's identity, which has, over time, become more logical, complete, and at times symbolic. Undoubtedly, in order to understand the history of Iran and India in ancient times and how these two nations interacted, we must inevitably find the historical image of India in Iranian culture. The study of myth, epic literature and versifications helps us to reach historical realities. Shahnameh can represent Iranian and Indian history and culture. In this research, we seek to answer the main question by using descriptive-analytical method and library resources. To a large extent, Firdowsi has remained faithful to historical sources and Pahlavi texts in Shahnameh. The text shows that Firdowsi has followed the sources that have been used and there is no significant difference between them especially those of the Sassanid era, such as Karnameh Ardeshir Babakan, A Relic from Zariran and Kodaynamak and Shahnameh.