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 in todays session. Any Major downside only expected in case banknifty starts trading below 47450 level. also possible reversal downside 47950 level.