The Sensex has slipped deeper into red and is now down 675 points at 15,867.The NSE Nifty is down 192 points at 4,729.Reliance Energy has slumped 10.3% to Rs 1,310. Bajaj Auto has tumbled 8.5% to Rs 1,947.ICICI Bank has shed 7.5% to Rs 888, and Maruti has dropped 6.7% to Rs 877.Hindalco has slipped 6.3% to Rs 195. Tata Motors, Ranbaxy and NTPC have declined 5.7% each to Rs 662, Rs 427 and Rs 184, respectively.DLF is down nearly 5% at Rs 648. Mahindra & Mahindra and BHEL are down 4.5% each at Rs 665 and Rs 1,988, respectively.