The purpose of the slave codes was to

It was this fear of rebellion that led each colony to pass a series of laws restricting slaves' behaviors. The laws were known as slave codes. Although each colony had differing ideas about the rights of slaves, there were some common threads in slave codes across areas where slavery was common.

The purpose of the Slave Code was to further the limit of freedoms of slaves and give their owners all the authority in order to prevent a slave rebellion.

mohenjo-daro is located west of the indus river in larkana district