Today will be gap up opening in BANKNIFTY. After opening if banknifty sustain above 48550 level then possible upside rally of 400-500 points upto 48950 level & this rally can extend another 400 points if market gives breakout 49050 level in todays session.Any Major downside only expected in case banknifty starts trading below 48450 level.also possible reversal downside 48950 level.