  It is shown that the requirement of preservation of baryon asymmetry does not
rule out a scale for leptogenesis as low as 10 TeV. The conclusions are
compatible with see-saw mechanism if for example the pivot mass scale for
neutrinos is $\approx 10^{-2}$ that of the charged leptons. We explore the
parameter space $\tilde{m}_1$-$M_1$ of relevant light and heavy neutrino masses
by solving Boltzmann equations. A viable scenario for obtaining baryogenesis in
this way is presented in the context of gauged $B-L$ symmetry.
