The Indian stock market is experiencing notable declines across major indices, with the Nifty falling below the 24,000 mark and hitting a fresh monthly low. As of December 20, the Nifty is down over 200 points from its day's high, while the Nifty Midcap and Smallcap indices have also slipped over 1%. The Nifty Bank has faced a significant drop, falling 500 points off its day's high, influenced by declines in IDFC First Bank and Axis Bank. Sectoral performance shows that the Nifty IT index has registered a decline of over 3.5%, marking its biggest intraday fall in nearly a month, with all constituents in the red. The Nifty Realty sector is the top loser, down over 1% due to poor performance from Brigade Enterprises and Prestige Estates. Conversely, the Nifty Pharma sector remains the only index trading in the green, showcasing resilience amidst the broader market sell-off. Overall, the market sentiment is bearish, with key support levels now being closely monitored.