Default value in drop down by Key

Hi experts,

I need to get the default value in my drop down. i am using drop down by key. I am using the below code to populate the drop down.

DATA : node_info TYPE REF TO if_wd_context_node_info.

DATA : value TYPE wdr_context_attr_value,

value_set TYPE TABLE OF wdr_context_attr_value.

node_info = wd_context->get_node_info( ).

node_info = node_info->get_child_node( 'VE_MASTER_DATA' ).

value-value = 'IN'.

value-text = 'India'.

INSERT value INTO TABLE value_set.

value-value = 'US'.

value-text = 'USA'.

INSERT value INTO TABLE value_set.

value-value = 'O'.

value-text = 'Others'.

INSERT value INTO TABLE value_set.

node_info->set_attribute_value_set(

name = `COUNTRY`

value_set = value_set ).

I am requirement here is i want to make India as the default value in the drop down when the page is loaded.

Regards,

Vinod