Today, 17145 the crucial intraday level for Sensex.
If Sensex sustains below 17145, then it could test 17050 and below that level it could test 16900. Instead, if Sensex trades above 17145, then it could test 17220.
If Bank Nifty sustains below 10450, then it could test 10375,and below that level it could test 10250. Instead, if Bank Nifty trades above 10450, then it could test 10540.