Casting her votes in Bihar Assembly polls, RJD leader Rabri Devi extended her wishes to both sons, Tejashwi and Tej Pratap, who're contesting from different parties. "I'm their mother. Good luck to both of them," she said. While Tej is contesting from his party Janshakti Janata Dal after being expelled from RJD, Tejashwi is contesting from their family party RJD.