United Bank Of India [UBI] — unauthorized deduction

Address:

Paschim Medinipur, West Bengal, 721242

Account holder name - soumyendu aash
Account no[protected]
Mobile-[protected]
Branch name-ramjibanpur (2004)
On 02.02.2018, from my account two deductions of 23.60 rupees was done for pos txn insufficient fund. But i have not done any transaction from my atm on that month and my account balance on date 2138.77 rupees.
For this unauthorized deduction, i contact to branch but they said can't anything.
Please solve my problem as soon as possible.