The Sensex is now down 179 points at 15,908.The NSE Nifty is down 35 points at 4,794.Tata Motors has plunged over 6% to Rs 638. Satyam has tumbled 3.7% to Rs 398, and Infosys has shed 2.7% at Rs 1,455.Reliance annd Reliance Communications have slipped 2% each to Rs 2,254 and Rs 515, respectively.Larsen & Toubro has dropped 1.8% to Rs 2,991. HDFC and TCS have declined 1.7% each to Rs 2,616 and Rs 866, respectively.Reliance Energy and Jaiprakash Associated are down around 1.5% each at Rs 1,278 and Rs 223, respectively.Hindalco has surged over 3% to Rs 167. Ambuja Cements and Cipla have moved up 1.7% each to Rs 124 and Rs 209, respectively.ITC has gained 1.5% at Rs 198. DLF and Hindustan Unilever are up 1% each at Rs 665 and Rs 237, respectively.