ICICI Bank — my credit card false billing without any transaction

Address:

Gwalior, Madhya Pradesh, 474001

Hi
My icici credit card no.[protected]
My credit limit is 21520 rs
Bt from 3 days my statement shows
Total amount due is 28732 rs
Available credit limit is negative — 14221 rs
Without any transaction
My statement also show no transaction is done
Then why this thing happen
Plz help me