Hi karan,
Please look into the below code. Debug the code and do the necessary modifications if required.
TYPES : BEGIN OF TY_NEW,
KTEXT TYPE T009C-KTEXT,
DMBTR TYPE BSEG-DMBTR,
POPER TYPE T009C-POPER,
END OF TY_NEW.
DATA : IT_NEW TYPE TABLE OF TY_NEW,
WA_NEW TYPE TY_NEW.
SORT IT_FINAL2 BY POPER.
LOOP AT IT_FINAL INTO WA_FINAL.
READ TABLE IT_FINAL2 INTO WA_FINAL2 WITH KEY POPER = WA_FINAL-MONAT BINARY SEARCH.
IF SY-SUBRC = 0.
WA_NEW-DMBTR = WA_FINAL-DMBTR.
WA_NEW-KTEXT = WA_FINAL2-KTEXT.
WA_NEW-POPER = WA_FINAL2-POPER.
COLLECT WA_NEW INTO IT_NEW.
CLEAR: WA_NEW, WA_FINAL1, WA_FINAL2.
ENDIF.
ENDLOOP.
SORT IT_FINAL2 BY POPER.
LOOP AT IT_NEW INTO WA_NEW.
IF WA_NEW-POPER = '001' AND WA_NEW-KTEXT = 'APR'.
WA_FINAL1-V1 = WA_NEW-DMBTR.
ELSEIF WA_NEW-POPER = '002' AND WA_NEW-KTEXT = 'MAI'.
WA_FINAL1-V2 = WA_NEW-DMBTR.
ELSEIF WA_NEW-POPER = '003' AND WA_NEW-KTEXT = 'JUN'.
WA_FINAL1-V3 = WA_NEW-DMBTR.
ELSEIF WA_NEW-POPER = '004' AND WA_NEW-KTEXT = 'JUL'.
WA_FINAL1-V4 = WA_NEW-DMBTR.
ELSEIF WA_NEW-POPER = '005' AND WA_NEW-KTEXT = 'AUG'.
WA_FINAL1-V5 = WA_NEW-DMBTR.
ELSEIF WA_NEW-POPER = '006' AND WA_NEW-KTEXT = 'SEP'.
WA_FINAL1-V5 = WA_NEW-DMBTR.
ELSEIF WA_NEW-POPER = '007' AND WA_NEW-KTEXT = 'OKT'.
WA_FINAL1-V5 = WA_NEW-DMBTR.
"similary write it for the remaining.
ENDIF.
READ TABLE IT_FINAL2 INTO WA_FINAL2 WITH KEY POPER = WA_NEW-POPER BINARY SEARCH.
IF SY-SUBRC = 0.
WA_FINAL1-NAME3 = WA_FINAL-NAME3.
WA_FINAL1-DMBTR = WA_FINAL-DMBTR.
WA_FINAL1-POPER = WA_FINAL2-POPER.
WA_FINAL1-KTEXT = WA_FINAL2-KTEXT.
APPEND WA_FINAL1 TO IT_MAIN.
ENDIF.
CLEAR: WA_FINAL1, WA_NEW, WA_FINAL2.
ENDLOOP.