Using IDOCS or LSMW can we achieve

HI Experts,

I have a Excel with material data as below

Material_Number  Material_Group_Num   amount

111111111           33333333333               11111.00

222222222           44444444444               22222.00

444444444          55555555555                33333.00

I have to update  in the SAP Tables, for a particular material_Number the material_group_num has to be updated

Any idea or Suggesion

Thanks

Madhu