State Bank Of India [SBI] — Credit card lost

Address:	Mumbai City, Maharashtra, 400058
Website:	www.sbicard.com/en/home.page

I have lost my card. so i blocked the card and paid the bill which was left over.. but now this bank still send me the bill and they are not even sending me the card back just sending me the bill every month.. sbi call center people don't even pick up the call and if they pick up they cut the call after understanding my problem.. pls help me out .. its fine if i don't get the card back.