According to Fibonacci Retracement levels on daily time frame analysis, BankNifty retraced back to 0.5 FIb Retracement levels (22760) and got a huge rejection from these levels. Now the major resistance is at 22800. Can go long if BankNifty closes strongly above 22800. Meanwhile if it continues to fall, the index has major support at 22000. So plan your trades accordingly.