Hi Mani,
Correct like this
select bukrs
lifnr
budat
wrbtr
belnr
shkzg
zuonr
umskz
sgtxt
gjahr
from bsak
intotable it_bsak
where bukrs in s_bukrs and lifnr in s_lifnr and budat in s_date.
ifnot it_bsak isINITIAL.
select bukrs belnr tcode
from bkpf
INTOtable it_bkpf
FORALL ENTRIES IN it_bsak
where bukrs = s_bukrs
where bukrs in s_bukrs
and belnr = it_bsak-belnr.
endif.