State Bank Of India [SBI] — Complaint against SBI service as Rs. 3390/- have deducted on date 22/03/2017 from my account

Address: Amritsar, Punjab, 143001

DEAR sir. I am responsible customer of SBI i am a govt employee and my salary account is at chogawan branch Amritsar i have a complaint against SBI service as Rs. 3390/- have deducted on date 22/03/2017 from my account but still i have no info about my deducation that for what or why that amount has deducted and to whose account has been transfered The Bank manager saying come after or days as he is busy this is very Iresponsible behavour from SBI as customer plz provide me needy details.