  The spin-torsion fluctuations are shown to act as source of decay of
inhomogeneities in the early stages of inflationary de Sitter universe.This
seems to be a resul of the repulsive nature of the spin-torsion effects.This
result is shown through the investigation of the evolution equation of density
perturbations in Einstein-Cartan cosmology.We also show that it is possible to
place limits on torsion in the universe from the CMBR temperature anisotropy
from the computations we made.The decay of inhomogeneities is not enough
however to stop the structure formation as galaxies because the growth of
inhomogeneitis dominates the torsion effects and the only effect of torsion
seems to decrease very weakly the speed of formation of galaxies.
