Highlighted area is Nifty 2008 Monthly chart, Crash happened in Jan 2008. After that market retraced 50% from the lows. Then Nifty went sideways for 4 months before resuming it's down move. In 2020, 50% retracement from lows is around 10,000 levels. Market to remain choppy. Only skilled intraday traders can make money in indices for coming months. Bear Market bottoms are not done in a day. It takes long accumulation phase before the next bull market starts.