Every bank customer, at some stage of life, needs for customer support to file complaint against some product or service of the bank. For that banks generally provide customer support service via phone or email.
Customers of Oriental Bank of commerce can file online complaint on the official website of the bank.
Just visit https://www.obcindia.co.in/obcnew/site/Complain_Online.aspx and fill up the online form given there. The sample screen is provided below.
You can file online complaint regarding internet banking, ATM, mobile banking, pension etc.
Just keep you account number ready before you start filling this form.