Today, 18400 is the crucial intraday level for Sensex.
If Sensex sustains below 18400, then it could test 18100 and below that level it could test 17850. Instead, if Sensex trades above 18400, then it could test 18550.
If Bank Nifty sustains below 10970, then it could test 10850,and below that level it could test 10700. Instead, if Bank Nifty trades above 10970, then it could test 11070.