All the levels are marked on the chart. Follow for daily analysis.
BankNifty seems weaker than NIFTY. Closed below 37000 giving a bearish signal. If crosses 37000 and sustains above then 37500 can be seen or else can expect another day of heavy fall in BN. Keep the levels mentioned and enter only on the extreme levels with favorable Risk Reward.
17000 is a crucial support for NIFTY. If breaks and sustains then 16800 can be seen. Can show recovery only if sustains abv 17200 and go till 17500.