Sensex down 164pts, Mastek drops 10%Our Web Bureau / Mumbai October 13, 2005The Sensex opened with a negative gap of 21 points at 8,520, but touched a high of 8,548 in late morning deals. Sustained selling in afternoon trades saw the index drop to a low of 8,346 - an intra-day swing of 202 points. The Sensex finally closed with a loss of 164 points (1.92%) at 8,377.All the sectoral indices declined today. The BSE Metal Index dropped 3.6% (234 points) to 6,247. The BSE Bankex was down over 2% (107 points) at 4,808. The BSE Teck Index was also down over 2% (47 points) at 2,173. The BSE PSU, Auto, Healthcare and Oil & Gas indices slipped sharply today.Declines were ahead of advances - out of 2,515 scrips traded, 1,755 declined, 709 advanced and 51 were unchanged today.Infosys slipped 2.2% (Rs 60) to Rs 2,624. Satyam declined 2% (Rs 13) to Rs 586. While TCS was down over 2% (Rs 30) at Rs 1,438, Wipro was also down over 2% (Rs 9) at 389. ONGC dropped over 2% (Rs 24) to Rs 1,030. While Reliance was down 1.7% (Rs 13) to Rs 775, SBI lost Rs 14 (1.5%) to Rs 924. HLL was down 1.6% (Rs 3) at Rs 176. Ranbaxy crashed over 6% (Rs 31) to Rs 458. Dr. Reddy's dropped over 4% (Rs 40) to Rs 897. Hero Honda lost 3.7% (Rs 27) to Rs 702. While Tata Motors declined over 3% (Rs 19) to Rs 540, Maruti was down 2.5% (Rs 14) at Rs 558. Tata Steel was down over 4% (Rs 17) at Rs 376. Grasim slipped over 3% (Rs 41) to Rs 1,229. ACC, Bharti, Bajaj, Gujarat Ambuja, HDFC, ICICI Bank and Hindalco also declined.BHEL was up Rs 2 at Rs 1,176. Cipla was up a rupee at Rs 369, and ITC was also up a rupee at Rs 128.J&K Bank gained over 3% to Rs 470. Hexaware moved up 3% to Rs 116. Apollo Tyres was up 2.7% at Rs 281. Balaji, Mirc Electronics, Lupin, Punjab Trctors and Indo Gulf Fertlisers closed with gains of 2% each.Centurion Bank advanced 7% to Rs 20. Gati, Godavari Fertilisers, SAL Steel, Saregama and Everest Industries also moved up today.Apeejay Tea was locked at its 5% upper limit at Rs 107 after the Apeejay Surendra group announced the acquisition of tea brands for