Indo-Iranian relationship in ancient era

The people of India and Iran ,two ancient neighboring civilizations, have enjoyed close historical links through the ages. They had a common homeland and share a common linguistics and racial past. Over the several millennium, they interacted and enriched each other in the field of language,religion,arts,culture,food and other traditions. Today these two countries enjoy warm, friendly and cooperate in a wide range of fields. The two countries have had relations with one another since a long time. The origins of the two nations have been concurrent and are traced to the Aryans. Based on this, one can find abundance of similarities in customs , traditions, languages and other behavioral forms. On the other hand, the influence of Iranian culture on India in the last millennium is undeniable in this connection, the late Indian Prime Minister Jawaharlal Nehru writes: "Among the many people and races who have come in contact with and influenced Indian's life and culture, the oldest and most persistent have been the Iranian".