The excavations in the Indus Valley have pushed the antiquity of Indian history to

Answer & Explanation

Answer: [C]

The correct answer is 2500 BC. Indus civilization, also called Indus valley civilization or Harappan civilization, the earliest known urban culture of the Indian subcontinent. The nuclear dates of the civilization appear to be about 2500–1700 bce, though the southern sites may have lasted later into the 2nd millennium bce.