Clearly, then, as Kosambi said, There must have been a small but active settlement of Indian traders in Mesopotamia …” And yet, as the same author noted, “The reciprocal settlement seems to have been absent or less prominent in India.”
Source, in full
Thomas C. Mcevilley - The Shape of Ancient Thought_ Comparative Studies in Greek and Indian Philosophies (2001, Allworth Press) chapter 10 . quoting Damodar Kosambi, Ancient India: A History of Its Culture and Civilization (New York: Random House, 1965), p. 59.