State Bank of India — Poor response

Address:

Cuddalore, Tamil Nadu

Is SBI a bank....?
ive doubt on tat,am an acc holder of SBI bank since 2010 and i need to open an online banking account and need to change my SBI debit card to SBI visa card ,so i went to my branch and enquired abt tat 2 d staff,he said tat go and ask dis 2 BRANCH MANAGER.Wen i asked him he said just fill one registration form and ur acc ll get opened. as he said i also did.it has gone 4 months till i did not get any response..last week also i gave an new form for online banking till now no response.what to do.how can i register a complaint against my branch..? pls dont recomment anyone to open an account in SBI.