Why is the Harappan script called an enigmatic script? Explain.
Mention any two Harappan sites.
Why is the Harappan drainage system considered a planned and complete drainage system? Explain.
If vector \( \mathbf{a} = 3 \hat{i} + 2 \hat{j} - \hat{k} \) \text{ and } \( \mathbf{b} = \hat{i} - \hat{j} + \hat{k} \), then which of the following is correct?