dark matter (DM) and light neutrino mass. The symmetry of the Standard Model is enhanced
by an unbroken Z 2× Z 2′ such that being odd under each Z 2, there exists one right-
handed neutrino and one inert scalar doublet. Therefore, each of the Z 2 sectors contribute
to (i) light neutrino masses radiatively similar to the scotogenic models while (ii) the two
neutral CP even scalars present in two additional inert doublets play the role of dark matters …