The Indus Valley Civilization, also known as the Harappan Civilization, was indeed a predominantly secular civilization. The religious element, though present, did not dominate the scene. This is evident from the archaeological findings from the sites of this civilization. Therefore, statement 1 is correct.

In 1929, archaeologists recovered fragments of cotton textiles at Mohenjo-Daro. Cottonseeds found at nearby Mehrgarh have been dated to 5000 BCE. Hence, statement 2 is correct.