Indian stock markets, including the Nifty 50 and Sensex, are experiencing contained volatility with participants focusing on specific trading levels rather than broad directional trends. Experts suggest a cautious, level-based trading strategy for intraday traders. Key resistance for the Sensex is noted around 85,750, with a potential move towards 86,000-86,200 if breached. Support is identified at 85,300, with a fall below this level potentially leading to a test of 85,000.