For Nifty (Daily), data range of 16th Sept to 30th Nov and data range of 16th Sept to 20th Dec. Both gives trend reversal date as 24th Jan. This down trend in nifty might end on 24th Jan (+/- 1 day) and we might see a pre budget rally from 24th Jan to 1st Feb.
RSI Based Trend Reversal Prediction. Nifty 2 Hour Candle
RSI Based Trend Reversal Prediction. Nifty 3 Hour Candle
Trend changing dates could be 07Jan, 11Jan, 19Jan, 27Jan, 03Feb, 11Feb and 15Feb. Based on Nifty 4 hour chart.