for electric dipole radiation in octahedral symmetry. Charge transfer (CT) bands could occur when a valance electron is transferred from the ligand towards the unoccupied orbitals of the metallic cation and those are parity allowed and occur generally in the UV and vacuum UV region, which are mainly vibranic in character [25]. Zn2+ ions may act as whole electron trapping centers for Mn2+-doped glasses. Excitation band at 263 nm, second excitation band at 346 nm and the third band at 392 nm have been measured. The sharp excitation band at 263 nm is assigned to 6A1g (S)- 4A2g (F), the band at 346 nm is assigned to the 6A1g (S)-4T2g (D) of Mn2+ ion, which exists in the UV-region in absorption spectrum. Similarly, the excitation band at392 nm could coincide with the energy of 6A1g (S) - 4A1g, 4Eg (G) absorption transition of Mn2+ ion [18]. The excitation band at 392 nm is low in sharpness and intensity compared with 263 nm band. Under an UV source, Mn2+:ZPB glasses have shown bright green color and it is strongly dependent on the co-ordination