linking error while compiling in visual studio

Error 37 error LNK2019: unresolved external symbol _cudaThreadSynchronize@0 referenced in function “void __cdecl ProgramCU::FinishWorkCUDA(void)” (?FinishWorkCUDA@ProgramCU@@YAXXZ) C:\Users\rajnish\Desktop\pba\cuda\src\pba\pbaGPU_generated_ProgramCU.cu.obj

Link against cudart.lib