Hi Venkat,You can import material data with "Schedule Import of Catalog Data" app.Data will populate related MMPUR_EXT* prefixed tables(eg. mmpur_ext_mara).These tables have connected system id as key field and have seperate master data lines for bot...
İf you are sure that you're following correct procedure check transaction /IWFND/ERROR_LOG for errors and ST22 for system dumps in BOTH hub and connected systems.You should also check "Central Procurement Operations Monitor" App.Regards.