The NSE Nifty is down 136 points at 4,734.
NTPC has plunged 6.4% to Rs 161. Hindalco has tumbled 5.1% to Rs 182. Reliance Infrastructure has lost 4.9% to Rs 1,170.
ACC has lost 3.4% at Rs 632. BHEL has slipped 3.7% to Rs 1,600.
Reliance Communications and HDFC Bank have dropped 3.5% each at Rs 557 and Rs 1,310, repsectively.
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Tata Steel is down 3.4% to Rs 872, while TCS has lost 3.2% to Rs 996.
ICICI Bank and ONGC have declined 2.8% each at Rs 766 and Rs 840, respectively.
SBI and DLF have shed 2.6% each at Rs 1,405 and Rs 572, respectively.
Ambuja Cements has slipped 2.5% to Rs 93. Ranbaxy is down 2% at Rs 518.
Wipro, Tata Motors, Hindustan Unilever and Reliance are down 1.7% each to Rs 499, Rs 567, Rs 233 and Rs 2,360, respectively.
Maruti has gained 3.3% to Rs 790. ITC is up 0.8% to Rs 219.
The market breadth is negative - out of 2,676 stocks traded so far, 1,966 have declined, 638 have advanced and the rest are unchanged.