We have calculated the strength functions of the Gamow-Teller transition processes from mirror pairs 46 Ti –46 Cr and 50 Cr –50 Fe to the odd-odd N = Z nuclei 46 V and 50 Mn . The calculations are carried out in fp model space with shell model diagonalization method. Calculations are compared with experimental observations. We have also discussed the effects of isospin symmetry breaking on the analogous transitions.