Today will be gap down opening in BANKNIFTY . After opening if banknifty start trading below 48450 level then possible downside rally of 400-500 points upto 48050 Level & this rally can extend another 400 points if market gives breakdown 47950 level in todays session. Any Major upside only expected in case banknifty starts trading above 48550 level. also possible reversal upside 48050 level.