Mumbai, Oct 7 (Reporter) The equity market remained under pressure for the sixth straight session on Monday, with the BSE Sensex plummeting 638.45 pts at 81,050.00 at close following tension between Israel and Iran. Investors may remain cautious ahead of the RBI monetary policy meeting to be announced on Wednesday. The National Stock Exchange (NSE) fell 218.85 pts at 24,795.75. High volatility was witnessed on Monday, as the Sensex opened in a recovery mode at 81,926.99, up 238 pts. It rallied 449 pts at 82,137.77, a day high. Later, it dropped 962 pts at 80,726.05 pts from its last close. The NSE registered days high and low at 25,143 and 24,7694.35 pts respectively. The stocks that fell were Utilities by 3.63, Power by 3.14 pc, BSE services by 3.12 pc, and Telecommunications by 2.49 pc. The Mid-cap fell by 1.87 pc and the Small-cap by 3.27 pc. In 30 scrips, 7 advanced, while 23 declined. The losers were Adani Power by 4.08 pc to Rs 1355.35, NTPC by 2.49 pc to Rs 417.30, SBI by 2.96 pc to Rs 773.05, Powergrid by 2.89 pc to Rs 329 and Axis Bank by 2.31 pc to Rs 1150.30. The gainers were ITC by 1.33 pc to Rs 510.55, Bharti Airtel by 1.31 pc to Rs 1662.25, M& M by 1.12 pc to Rs 3050.70 and Bajaj Finance by 0.74 pc to Rs 7263.30. The Asian Market was seen as positive, as Strait Times was up 0.28 pc, Hang Seng by 1.57 pc, and Taiwan Weighted by 1.76 pc...////...