Sensex down 1000 points, what caused the stock market to fall on Tuesday?

The BSE Sensex, which has been in decline since the opening of trade, fell over 1,000 points below 77,000. The national stock market index Nifty fell over 300 points. The reason for this decline is the continued selling of shares by foreign institutional investors (Fils). It is noteworthy that other indices of the market are also in decline.