Sensex crashes over 600 points, Nifty 50 dips below 25,200. Why is the Indian stock market falling today?

The Sensex and the Nifty 50 declined by almost a per cent each during the session on July 11. Around 11 AM, the Sensex was 631 points, or 0.76 per cent, down at 82,559, while the Nifty 50 was 0.72 per cent down at 25,173.