Under Lord Curzon in 1901, Sir John Marshall, the Director General of Archaeological Survey of India, revealed the Harappan Civilisation near Harappa in Punjab. In 1921, Dayaram Sahni, an officer in the Archaeological. Survey of India got ruins dug out, around Harappa. In 1922, R.D. Banerjee along with a Buddhist monk found the city of Mohenjo-daro under a mound. Later, Sir John Marshall ordered large-scale excavations.