Indian equity benchmarks extended their losses for the second consecutive day on Wednesday as investors preferred to remain cautious over the details of the minutes of the US Fed’s policy meeting likely to be released later in the day.The BSE Sensex closed 59 points lower at 28,005 whiled the NSE Nifty 50 edged 18 points lower to end at 8,624. Top Sensex losers were TCS, Adani Ports, Power Grid Corporation and Infosys.TCS ended at Rs. 2,623.90, Adani Ports at Rs. 266.65, Power Grid Corporation at Rs. 174.55 and Infosys closed at Rs. 1,033.40.Read: Infosys client RBS scraps Williams & Glyn projectStocks that lifted the bencmark index included Tata Steel (Rs. 391.85), Coal India (Rs. 347.80) and Bajaj Auto (Rs.2,932.90). SBI closed at Rs. 246.25, down 0.08 percent from its previous close. Interglobe Aviation shares gained 3.70 percent and closed at Rs. 859.55 apiece.Stocks that hit a new 52-week high on Wednesday included S H Kelkar, Sundaram Fasteners, Delta Corporation and Linde India. Foreign institutional investors (FIIs/FPIs) ended on a flat note with purchases of Indian equities worth Rs. 4,033.12 crore and sales at Rs. 4,033.07 crore, according to provisional figures released by the National Stock Exchange.Gold prices gained Rs. 20 to close at Rs. 31,150 per 10 gm on the Delhi bullion market while silver lost Rs. 350 to end at Rs. 46,650 per kg.