April 20 rates in rupees with previous rates in bracketsChennaiBar Silver (1 kg) 21,820 (21360)Retail (1 g) 3.35 (22.85)24 ct gold (10 g) 9,580 (9,310)22 ct gold (1 g) 887 (862)MumbaiSilver 22,950 (21,835)Standard gold 9,500 (9,215)DelhiSilver (.999) 21,000 (21,000)Standard gold 9,320 (9,320)Sovereign 7,200 (7,200)