Hi Kiran,
Use the below code.
DATA: ls_add TYPE bupa_addr_search,
lt_result TYPE TABLE OF bus020_search_result,
lt_return TYPE TABLE OF bapiret2.
ls_add-country = 'IN'. ""Country Key
CALL FUNCTION 'BUPA_SEARCH_2'
EXPORTING
is_address = ls_add
TABLES
et_search_result = lt_result
et_return = lt_return.
Thanks,
Ritu