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In a recent work by two of us, we have studied, how CP violation discoverypotential can be improved at long baseline neutrino experiments (LBNE/DUNE), bycombining with its ND (near detector) and reactor experiments. In this work, wediscuss how this study can be further analyzed to resolve entanglement of thequadrant of leptonic CPV phase and Octant of atmospheric mixing angle$\theta_{23}$, at LBNEs. The study is done for both NH (Normal hierarchy) andIH (Inverted hierarchy), HO (Higher Octant) and LO (Lower Octant). We show howleptogenesis can enhance the effect of resolving this entanglement, and howpossible values of the leptonic CPV phase can be predicted in this context.Carrying out numerical analysis based on the recent updated experimentalresults for neutrino mixing angles, we predict the values of the leptonic CPVphase for 152 possible cases. We also confront our predictions of the leptonicCPV phase with the updated global fit and find that five values of$\delta_{CP}$ are favoured by BAU constraints. One of the five values matcheswith the recent global fit value of $\delta_{CP}$ (leptonic CPV phase) close to1.41 $\pi$ in our model independent scenario. A detailed analytic and numericalstudy of baryogenesis through leptogenesis is performed in this framework in amodel independent way.

Octant Degeneracy, Quadrant of CPV phase at Long Baseline $\nu$ Experiments and Baryogenesis