Indian stock market closed near 52-week highs on Diwali as both Sensex and Nifty hit yearly highs on Monday. Sensex hit its 52-week high of 84,656.56 and ended over 400 points higher at 84,363.37, while Nifty hit its yearly high of 25,926.20 before closing 133 points higher at 25,843.15. Reliance Industries and Bajaj Finserv were top gainers on both indices.