  One of the key signatures of the Quark-Gluon Plasma (QGP), is the
modification of hadron transverse momentum differential cross-sections in
heavy-ion collisions (HIC) as compared to proton-proton (pp) collisions.
Suppression of hadron production at high transverse momenta (\pt)~in HIC has
been explained by the energy loss of the partons produced in the hard
scattering processes which traverse the deconfined quantum chromodynamic (QCD)
matter. The dependence of the observed suppression on the \pt~ of the measured
hadron towards higher \pt~ is an important input for the theoretical
understanding of jet quenching effects in the QGP and the nature of the energy
loss. The ALICE experiment at the Large Hadron Collider (LHC) performs
measurements of neutral meson inclusive spectra at mid-rapidity in a wide \pt~
range in $pp$, $p$-Pb and Pb-Pb collisions. Neutral mesons ($\pi^{0}$, $\eta$,
$\omega$) are reconstructed via complementary methods, using the ALICE
electromagnetic calorimeters, PHOS and EMCal, and by the central tracking
system, identifying photons converted into $e^+e^-$ pairs in the material of
the inner barrel detectors (TPC and ITS). In this presentation, an overview of
current $\pi^{0}$ and $\eta$ measurements by the ALICE experiment in HIC and pp
collisions will be given.
