If nifty hold above 19480 (Chances are for gap up) with sl of 19420 you can go for long, selling will be only below 19380. Why 19480 because 19480-19500 is major resistance as we can see clearly, from last 4 days market is taking rejection from this level. Also 19400 should became new support for nifty. for Bank Nifty major support will be 43720-43750 above this level you can go for long.