You Do Need power plug adapter while traveling from Syria to Mauritius.

Here is Why You Need An Adapter

The outlet and plug type used in Mauritius are C and G and in Syria are C, E and L. This is how they look like.

Syria

In Syria, outlets of type C, E and L are in use.

Type C

Type E

Type L

Mauritius

In Mauritius, outlets of type C and G are in use.

Type C

Type G