In whose reference is the following statement given by S.N. Roy in 'The Story of Indian Archaeology, "left India three thousand years older than he had found her":

John Marshall

The correct answer is Option (1) → John Marshall

"...S.N. Roy noted in The Story of Indian Archaeology, “Marshall left India three thousand years older than he had found her.” This was because similar, till-then-unidentified seals were found at excavations at Mesopotamian sites. It was then that the world knew not only of a new civilisation, but also of one contemporaneous with Mesopotamia.".