Abstract: The paper is intended to explore the effect of Persian language on many Indian languages, including Bengali, Punjabi, Urdu, Gujarati, Telugu and Hindi, etc. For historical purposes, Indian languages have taken from the Indian culture a great number of Persian words and phrases. Ancient Persian, Middle Persian, and Modern Persian will be studied. Indo-European languages include various Indian languages and Persian languages. India and Iran have always enjoyed close links; this connection was observed long before the advent of Islam. The Persian king's period was characterized by trade links between two nations that sailed on ships from the Persian Gulf to the Indian Ocean. In this article, the above Indian languages are discussed briefly.