You Do Need power plug adapter while traveling from Indonesia to Bangladesh.

Here is Why You Need An Adapter

The outlet and plug type used in Bangladesh are A, C, D, G and K and in Indonesia are C and F. This is how they look like.

Indonesia

In Indonesia, outlets of type C and F are in use.

Type C

Type F

Bangladesh

In Bangladesh, outlets of type A, C, D, G and K are in use.

Type A

Type C

Type D

Type G

Type K