  These notes provide a review of various neutrino mass model and their
implications for particle physics and the Standard Model. We discuss how mass
terms are incorporated into the Standard Model, including the Dirac mass term
and the Majorana mechanism. We explore experimental evidence supporting the
existence of non-zero neutrino mass and develop the formalism of neutrino
oscillations. Additionally, we provide a brief overview of some famous
radiative neutrino mass models. This notes draws heavily from the references
given below and can serve as a valuable resource for students and new
researchers interested in the field of neutrino physics.
