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The enormous red-shifting of the modes during the inflationary epoch suggeststhat physics at the very high energy scales may modify the primordialperturbation spectrum. Therefore, the measurements of the anisotropies in theCosmic Microwave Background (CMB) could provide us with clues to understandingphysics beyond the Planck scale. In this proceeding, we study the Planck scaleeffects on the primordial spectrum in the power-law inflation using a modelwhich preserves local Lorentz invariance. While our model reproduces thestandard spectrum on small scales, it naturally predicts a suppression of poweron the large scales -- a feature that seems to be necessary to explain deficitof power in the lower multipoles of the CMB.Comment: 5 Pages, 2 Figures; Talk presented at PASCOS-04; To be published in  proceedings (World Scientific, 2004

PLANCK SCALE EFFECTS AND THE SUPPRESSION OF POWER ON THE LARGE SCALES IN THE PRIMORDIAL SPECTRUM