“…The crystal exhibits one to one correspondence across the pair of counter parts, which show the perfectness of the crystals. The dislocation etchant for InBi single crystal developed by various workers [11,18,19] could not give successful result for InBiSe due to the presence of selenium in these crystals and on adding impurity the etchant requires new composition for revealing dislocation. After several trials dislocation etchant have been developed, which reveal grown-in and freshly produced dislocation.…”