Today will be gap up opening in BANKNIFTY. After opening if banknifty sustain above 45050 level then possible upside rally of 400-500 points upto 45450 level .Any Major downside only expected in case banknifty starts trading below 44950 level & this rally can extend another 400 points if market gives breakdown 44450 level.also possible reversal upside 44550 level.