Union Bank Of India — New Mobiles no updation problem

Address:

125001

My mother acount in Union bank of india addressed is sco 155-156 urban estate 1 near telephone exchange hissar . Bank excutive say that we r not update your new mobiles no in system becouse this mobiles no not on your mother id . I say that its wrong plateform .I say that my old mobiles no is also not alloted my mother id .not any one mobiles numbers alloted my mother id .