Today will be gap up opening in BANKNIFTY. After opening if banknifty sustain above 47550 level then possible upside rally of 400-500 points upto 47950 level & this rally can extend another 400 points if market gives breakout 48050 level.Any Major downside only expected in case banknifty starts trading below 47450 level.also possible reversal downside 47950 level.