BankNIFTY seems to be going sideways in the range of 43400 - 43800 as levels have been marked on the chart. for past few days BANKNIFTY have been sideways mostly perfect DOJI. level 43400 will be providing a nice support and 43800 will be acting as resistance unless it's broken to the upside. Reasons:
Expiry is mostly sideways also PCR = 0.65 (Bearish)
200 EMA resistance to upside. (Bearish)
RSI 40-60 mostly Sideways. (sideways)
Price < 200 EMA (Bearish)
Very nice price action support (4H-tf) downside. (Bullish level)