  The flat directions LLe and udd within the minimal supersymmetric Standard
Model provide all the necessary ingredients for a successful inflation with the
right amplitude of the scalar density perturbations, negligible gravity waves
and the spectral tilt within 2\sigma observed range 0.92 \leq n_s \leq 1.0. In
this paper we explore the available parameter space for inflation in
conjunction with a thermal cold dark matter abundance within the minimal
supergravity model. Remarkably for the inflaton, which is a combination of
squarks and sleptons, there is a stau-neutralino coannihilation region below
the inflaton mass 500 GeV for the observed density perturbations and the tilt
of the spectrum. For such a low mass of the inflaton the LHC is capable of
discovering the inflaton candidates within a short period of its operation.
Inflation is also compatible with the focus point region which opens up for the
inflaton masses above TeV. We show that embedding MSSM within SO(10) can
naturally favor this region.
