The Sensex opened 67 points lower at 8,259. The index is at almost the day's low, down 111 points at 8,215.
Hindustan Unilever has plunged 3% to Rs 217. Jaiprakash Associates has shed 2.5% at Rs 68.
Sterlite, Reliance and TCS have dropped over 2% each to Rs 244, Rs 1,145 and Rs 470, respectively.
Wipro, ITC and Sun Pharma have shed 2% each at Rs 209, Rs 162 and Rs 1,002, respectively.
Bharti Airtel, Reliance Infrastructure and Infosys have slipped nearly 2% each to Rs 591, Rs 444 and Rs 1,198, respectively.
Tata Power, Hindalco, ACC and Reliance Communications have declined around 1.5% each to Rs 629, Rs 39, Rs 524 and Rs 136, respectively.
HDFC has rallied nearly 2% to Rs 1,246.
Ranbaxy and HDFC Bank have moved up 1.5% each to Rs 143 and Rs 813, respectively.