December 11 rates in rupees with previous rates in bracketsChennaiBar Silver (1 kg) 20,660 (20,665)Retail (1 g) 22.10 (22.10)24 ct gold (10 g) 9,250 (9,240)22 ct gold (1 g) 857 (856)MumbaiSilver 20,315 (20,295)Standard gold 9,120 (9,110)DelhiSilver (.999) 20,500 (20,100)Standard gold 9,155 (9,190)Sovereign 7,600 (7,600)