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A solution to the PAMELA positron excess with Higgsino dark matter withinextended supergravity grand unified (SUGRA) models is proposed. The models arecompliant with the photon constraints recently set by Fermi-LAT and producepositron as well as antiproton fluxes consistent with the PAMELA experiment.The SUGRA models considered have an extended hidden sector with extra degreesof freedom which allow for a satisfaction of relic density consistent withWMAP. The Higgsino models are also consistent with the CDMS-II and XENON100data and are discoverable at LHC-7 with 1 fb^(-1) of luminosity. The models aretestable on several fronts.

Higgsino dark matter model consistent with galactic cosmic ray data and possibility of discovery at LHC-7