Today will be gap up opening in BANKNIFTY . After opening if banknifty sustain above 48050 level then possible upside rally of 400-500 points upto 48450 & this rally can extend another 400 points if market gives breakout 48550 level.Any Major downside only expected in case banknifty starts trading below 47950 level.Also Possible Reversal Downside 48450 level.