Consider the following statements:
1. Rice husk has been found from Lothal and Rangpur.
2. Evidence of signage on wall has been discovered from Dholavira.
3. A thirteen roomed house from the overlap period has been discovered from Bhagwanpura.
4. The steatite figure of a bearded man has been recovered from Mohenjo-daro.
Which of the statements given above is/are correct?