One97 Communications — unauthorized digital transaction of amount from my sbi bank account

Address:

Dum Dum Kolkata

Hi Sir,
I'am Miss Hema Chowdhury having a SBI account (*****) in DUM DUM CANTT GORABAZAR BRANCH KOLKATA -700028.On 30th April I received an SMS mentioning that a transaction of Rs 5, 000 amount has been debited from my account through INB whereas I never use net banking and have never requested for it.On 1st May I received again an SMS that 5, 000 has been debited from my account through INB, On the same day 7 transactions was made of Rs 5, 000 each, amount of Rs 2, 499 two times and amount of Rs 3, 078 so Total of Rs 43, 076 has been debited from my account in two days.
I tried to block INB while replying to the TXN message which was mentioned in the SMS to **** but it says kindly message from registered mobile cannot process your request, just wondering if my mobile is not registered then how I'am getting my SMS in registered mobile (****) of my TXN details.
Kindly request to help and coordinate to recover my amount and get back my debited amount in my account and block the Net Banking option for my account.My Account and Txn details are mentioned below.
Personnal Details

First Few TXN Details
30th April :- 5000 to One97Communication Ref#IGAINRQGA0
1st May :- 5000 to One97Communication Ref#IGAINRSSB3
1st May :- 5000 to One97Communication Ref#IGAINRSKX0
1st May :- 5000 to One97Communication Ref#IGAINRQJX1
1st May :- 5000 to One97Communication Ref#IGAINVEIJ7
1st May :- 5000 to One97Communication Ref#IGAINVDWP4
2nd May :- 2499 to One97Communication Ref#IGAINVNLY4
2nd May :- 2499 to One97Communication Ref#IGAINVNVJ2
2nd May :- 3078 to One97Communication Ref#IGAINVPFA1

BR,
Hema Chowdhury
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