Hi Karan,
View the code.
SORT it_final by name3 monat ascending.
LOOP AT IT_FINAL INTO WA_FINAL.
READ TABLE IT_FINAL2 INTO WA_FINAL2 WITH KEY POPER = WA_FINAL-MONAT.
CHECK sy-subrc IS INITIAL.
WA_FINAL1-NAME3 = WA_FINAL-NAME3.
WA_FINAL1-DMBTR = WA_FINAL-DMBTR.
WA_FINAL1-POPER = WA_FINAL2-POPER.
WA_FINAL1-KTEXT = WA_FINAL2-KTEXT.
IF WA_FINAL1-POPER = '001' AND WA_FINAL1-KTEXT = 'APR'.
WA_FINAL1-V1 = WA_FINAL-DMBTR.
ELSEIF WA_FINAL1-POPER = '002' AND WA_FINAL1-KTEXT = 'MAI'.
WA_FINAL1-V2 = WA_FINAL-DMBTR.
ELSEIF WA_FINAL1-POPER = '003' AND WA_FINAL1-KTEXT = 'JUN'.
WA_FINAL1-V3 = WA_FINAL-DMBTR.
ELSEIF WA_FINAL1-POPER = '004' AND WA_FINAL1-KTEXT = 'JUL'.
WA_FINAL1-V4 = WA_FINAL-DMBTR.
ELSEIF WA_FINAL1-POPER = '005' AND WA_FINAL1-KTEXT = 'AUG'.
WA_FINAL1-V5 = WA_FINAL-DMBTR.
ELSEIF WA_FINAL1-POPER = '006' AND WA_FINAL1-KTEXT = 'SEP'.
WA_FINAL1-V6 = WA_FINAL-DMBTR.
ELSEIF WA_FINAL1-POPER = '007' AND WA_FINAL1-KTEXT = 'OKT'.
WA_FINAL1-V7 = WA_FINAL-DMBTR.
ELSEIF WA_FINAL1-POPER = '008' AND WA_FINAL1-KTEXT = 'NOV'.
WA_FINAL1-V8 = WA_FINAL-DMBTR.
ELSEIF WA_FINAL1-POPER = '009' AND WA_FINAL1-KTEXT = 'DEZ'.
WA_FINAL1-V9 = WA_FINAL-DMBTR.
ELSEIF WA_FINAL1-POPER = '010' AND WA_FINAL1-KTEXT = 'JAN'.
WA_FINAL1-V10 = WA_FINAL-DMBTR.
ELSEIF WA_FINAL1-POPER = '011' AND WA_FINAL1-KTEXT = 'FEB'.
WA_FINAL1-V11 = WA_FINAL-DMBTR.
ELSEIF WA_FINAL1-POPER = '012' AND WA_FINAL1-KTEXT = 'MAR'.
WA_FINAL1-V12 = WA_FINAL-DMBTR.
ENDIF.
COLLECT wa_final1 INTO it_final1.
ENDLOOP.
Hope it helpful,
Regards,
Venkat.