In which one of the following States of India, the largest number of Harappan sites have been found?

Gujarat has the largest number of Harappan (Indus Valley Civilization) sites in India. Important sites in Gujarat include Lothal, Dholavira, Surkotada, Rangpur, and Rojdi. Dholavira is one of the five largest Harappan cities. Haryana has significant sites like Rakhigarhi (the largest Harappan site), but Gujarat has more sites in total.