Today both indices opened down to flat. Then both traded within a narrow range and later moved further down and closed in the red.
In tomorrow’s session, the 16920-900 zone will play a crucial role in deciding the Nifty Intraday trend. And on the higher side, the 17060-100 zone will act as resistance.
For Bank Nifty 38500-400 range is crucial. If Bank Nifty holds that support zone, then it can give bounce. And on the higher side, the 38850 & 39350 are the resistances.

Nifty Intraday Gann levels
Nifty bulls need to break & sustain above 17010 to move towards 17050/171100/17160/17230.
On the lower side, the Gann support level is 16910; below that Index can move towards 16870/16820/16760/16690.

Bank Nifty Intraday Gann levels
Bank Nifty bulls need to break & sustain above 38850 to move towards 39000/39200/39450.
On the lower side, the Gann support level is 38500; below that Bank Nifty Index can move towards 38350/38150/37900.
Note: The above levels are for educational purposes. Not Buy/Sell advice.