On December 20th, gold rate has increased by 20 rupees per gram and is being sold at 12,400 rupees. The price of one sovereign of gold has increased by 160 rupees and is being sold at 99,200 rupees in Chennai. The price of silver has increased by 5 rupees per gram and is being sold at 226 rupees. The price per kilogram has increased by 5000 rupees in a single day.