State Bank Of India [SBI] — Unauthorized transfer of fund from my bank account

Address:

Pulikkaparambil House, Thrikkakara (P.O), Thoppil, Kochi 682021

There was two messages from JD-CBSSBI stating that "Your A/C XXXXX198714 has a debit by transfer of Rs 419.00 on 24/11/20. Avl Bal Rs 2394.00" and again on 25/11/20 another such message was delivered stating another 416 Rupees was deduced from my account. SBI Complaints are not functioning. I need to get back my money which was deduced unauthorized by SBI.