Abstract
Two popular forms of neutrino mixing matrix UPMNS, are the Bi-maximal (BM) mixing and Tri-bimaximal (TBM) mixing matrices which are derived from well known underlying symmetry principles. In the present work, we examine their validity after taking appropriate charged lepton corrections. Tri-bimaximal mixing matrix with charged lepton correction, agrees with the present observational data at 1σ level, but the Bi-maximal mixing with charged lepton correction, fails to accommodate the present observational data at 1σ level on neutrino oscillations. This shortcoming is removed in Bi-large (BL) mixing ansatz with appropriate charged lepton correction. We also discuss the Quark–Lepton Complementarity(QLC) relations and other related issues in neutrino physics.
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