Axis Bank Ltd, Bettiah
Not activeting specified benefit in mysaving account

I want to activate earning dual benefit in my saving accounts which is offered by Head office, but Bettiah branch refuse to do so without any satisfactory reson. My saving A/c no is as follow

630010100003704, 630010100003759, 630010100003735, 630010100003605, 630010100003520, 630010100004930, 630010100005104.