The Sensex of the Bombay Stock Exchange (BSE) was down by 600.51 points at around 9.20 a.m. on Monday morning, and was currently pegged at 32,862.46 points, while the National Index (Nifty) was reported to be down 200 points at 10,134.35 points as election leads in Gujarat indicated a tough fight for seats between the Bharatiya Janata Party (BJP) and the opposition Congress Party.