Avinash,
data:r_kschl type ranges of konv-kschl,
wa_kschl like line of r_kschl.
wa_kschl-sign = 'I'.
wa_kschl-option = 'EQ'.
wa_kschl-low = 'ZD00'.
append: wa_kschl to r_kschl.
clear: wa_kschl.
if wa_kschl IN r_kschl.
endif.
append all the possible condition types into this r_kschl and then you can validate like if wa_kschl IN r_kschl.
K.Kiran.