Silver also tanked under intense selling pressure and subdued industrial demand.
Standard gold (99.5 purity) slumped by Rs 275 to finish at Rs 26,575 per 10 grams from Wednesday's closing level of Rs 26,850.
Pure gold (99.9 purity) also dropped by similar margin to end at Rs 26,725 per 10 grams against Rs 27,000 previously.
Silver (.999 fineness) dropped by Rs 220 to conclude at Rs 41,510 per kg from Rs 41,730 yesterday.
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However, the US central bank, in its monthly policy statement, vowed to maintain its key interest rates near zero for a "considerable time" citing weakness in recent economic data and sluggish labour market.
It also slashed further its bond-buying programme to USD 15 billion a month and indicated quantitative easing will end in October.
Gold has seen a spectacular rally in the last few years due to a wave of liquidity injected by easy monetary policy of world central banks, especially the US Federal Reserve. The shiny metal conquered an all-time high of USD 1,936 an ounce in 2011.