State Bank Of India [SBI] — money withdrawn from my account by false identity

Dear sir, my saving account in your sales tax branch, 14 beliaghata,, kolkata 700015, one person called over the phone representing as sbi officer to update our atm card. He has inside information and i was trapped. This man told his name dinesh uppadhya, phone:[protected]. As per your sms, a total of rs. 30, 400 was withdrawn — rs.7599 x 4 times.
Iam from kolkata but now i am at bangalore. So i can not come to your branch. Last four digits of my card is 8537.. Bina datta, address: e 15/7 purbasha housing estate, kolkata, 700054. Please do the needful.