RBL Bank — fraud transaction happen

Address:

#420/b4 block , Yamuna Block, NGV, Koramangala, Bangalore, Karnataka

With without getting the OTP they doing fraud transaction of bank we call to customers care but they not resposed and not conforming the fraud transaction amount will refund?.FIR also give to bank. They not responding. Don't take the crite card of this bank because they don't have protection of cards and bank accounts . security
Is not providing