BankNifty is clearly in bearish trend now as it is making selling continuously since past 3 or 4 days it is bit of oversold now 43030 area and 42800-42750 area is good resistance above to short again which price might go and test in comming days.
For Friday Levels to react
Strategy :- Support&Resistance
42400 Above Long
Targets 42500,42570,42650,42770
42180 Below Short
Targets 42100,42050,42000,41900