Explore a 20-minute conference presentation from the XIV Young Scientists Conference "Problems of Theoretical Physics" that examines the constraints on parameters within neutrino extensions of the Standard Model. Delivered at the Bogolyubov Institute for Theoretical Physics in Kyiv, Ukraine, this January 2024 talk features research by Oleksandr Khasai and collaborators Eduard Gorbar, Volodymyr Gorkavenko, Oleg Ruchayskiy, and Mariia Tsarenkova. Delve into their analysis of theoretical physics concepts related to neutrino properties and their implications for extending the Standard Model of particle physics.