HSBC Credit Card — Fleecing the customer

I have taken Personal loan from this bank and the day one itself i applied for ECS With my ABN AMRO bank but never the ECS Works and every month they try to call me and ask me to pay by cash to in their bank and after i pay it also they use to call me and send sms that my payment is not done and when i ask why my ECS is not working they say my ABN AMRO account is not existing where as its still exist and i even approched 3 time to the bank abt it and spoken to the manager my self again i submited the ECS form signed by the ABN AMRO and when i ask ABN AMRO they say nothing from HSBC is hitting my account for ECS and HSBC say every month they send for ECS and the bank say it doesnt exist and this HSBC Bank Doesnt Care for the coustmer even with creditcard even i pay my credit card bill by issuing check in the HSBC outlet and they call me after due date and say that the payment is not done and send their agent to collect minum amount and they again charge late fee too. Please i Advise to all those who want to go with Credit card or Loan dont go with this bank pls choose someother bank
Regards
Prem