As seen in below chart trend analysis BankNifty almost touch its resistance point that is 21,700.Also, as observed in previous few days Bank NIfty touch its resistance however Bulls tried to maintain the levels . However , again and again price is reached to resistance levels which gives signals that Bank Nifty will fall from current levels and would reach to 19000 levels if break the resistance line . So observe tomorrows market carefully and play safe . My bet is on shorting Bank nifty Or on purchase of Put Options .