ICICIcredit Card — link &siege bank account without information

dear sir,
i had taken a loan of 35000, of icici bank on credit card in which they had told me that there will be a service tax of 3300 aprox per month for 1 year, and i have deposited 17000 approx already paid,but on 11th of this month i deposited 20000 cash in my account and they link my credit card account to bank account without giving me any information,as i was paying my loan ontime and due to some problem i was unable to pay two month money atleast they should inform me but they did not told me and sieze my account.
so kindly look into matter because due to this my whole work of financial suffered.pls ask them is it right to sieze my accont without information..

dheeraj kumar pandey.
card no [protected]
icici bank account no[protected]
mobile no [protected]