Bpo Helpline Services — unauthorised transaction

Address:

110041

Sir my name is manju devi. I have a complaint against bob because on 4 july 2019. 25000 rupees was withdrawn from my account by unauthorized transaction i complained my bank bob about my unauthorised transaction but they don't taking any action and don't give my refund when i ask for my lost money they said we don't know. They said we can't do anything about it and not give me any information about my unauthorised transaction please sir help me to get my refund please sir