Which of the following statements is incorrect about Chanhudaro?

a- Chanhudaro was a large settlement like Mohenjodaro.
b- Chanhudaro was almost exclusively devoted to craft production.

Only statement a is incorrect.

Chanhudaro is a tiny settlement (less than 7 hectares) as compared to Mohenjodaro (125 hectares), almost exclusively devoted to craft production, including bead-making, shell-cutting, metal-working, seal-making and weight-making.