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Inelastic light scattering from Dirac-type electrons in graphene is shown tobe dominated by the generation of the inter-band electronic modes which are oddin terms of time-inversion symmetry and belong to the irreduciblerepresentation A$_2$ of the point group C$_{6v}$ of the honeycomb crystal. Athigh magnetic fields, these electron-hole excitations appear as peculiar $n^-\to n^+$ inter-Landau-level modes with energies $\omega_n=2\sqrt{2n} \hbarv/\lambda_B$ and characteristically crossed polarisation of in/out photons.

Signature of electronic excitations in the Raman spectrum of graphene