Hi Amit,
Tabs are represented by # while doing a debugging.
Try split lv_str at CL_ABAP_CHAR_UTILITIES=>HORIZONTAL_TAB into
lwa_strc-bp_num
lwa_strc-reltyp
lwa_strc-partner2
lwa_strc-pavip
lwa_strc-abtnr
lwa_strc-pafkt
lwa_strc-paauth
lwa_strc-parem
lwa_strc-fnctn
lwa_strc-dprtmnt
lwa_strc-roomnum_c
lwa_strc-floor_c
lwa_strc-building_c
lwa_strc-tel_number
lwa_strc-tel_extens
lwa_strc-mob_number
lwa_strc-fax_number
lwa_strc-fax_extens
lwa_strc-smtp_addr.
APPEND lwa_strc TO lt_strc.
ENDIF.
Hope it will be helpful for you.
Regards,
Kannan