I must put spring on raft and springs on pile or put springs on piles only? (using etabs pro.

Hello,

The relative stiffness of the three parts - soil, piles and raft slab - defining the foundation behavior.  You have to apply the correct stiffnesses of soil, piles and raft , and include basement and core walls if presented to ensure a realistic behavior.  

You may refer to ICE Geotechnical Manual: Soil-Structure Interaction for more details.

Regards,