  Theoretical Raman line shape functions have been studied to take care of
quantum confinement effect and Fano effect individually and jointly. The
characteristics of various Raman line shapes have been studied in terms of the
broadening and asymmetry of Raman line shapes. It is shown that the asymmetry
in the Raman line-shape function caused by these two effects individually does
not add linearly to give asymmetry of line-shape generated by considering the
combined effect. This indicates existence of interplay between the two effects.
The origin of interplay lies in the fact that Fano effect itself depends on
quantum confinement effect and in turn provides an asymmetry. This can not be
explained by considering the two effects contribution independent of each
other.
