Today both indices opened flat, but soon both ran upwards. Then both consolidated on the higher levels and closed in the green.
In Nifty, the 17680-700 zone will play an important role.
A sustainable move above that zone can take the index towards 17770/17900 levels. And on the lower side, the 17550-600 area will act as support.
The 39900-40100 is a crucial zone for Bank Nifty.
If Bank Index breaks and holds above that zone, it can show a further strong upmove towards 40400/40700 levels. And on the lower side, the 39700 & 39400 will act as support.

Nifty Intraday Gann levels
Nifty bulls need to break & sustain above 17700 to move towards 17740/17790/17850/17920.
On the lower side, the Gann support level is 17600; below that Index can move towards 17560/17510/17450/17380.

Bank Nifty Intraday Gann levels
Bank Nifty bulls need to break & sustain above 40050 to move towards 40200/40400/40650.
On the lower side, the Gann support level is 39700; below that Bank Nifty Index can move towards 39550/39350/39100.
Note: The above levels are for educational purposes. Not Buy/Sell advice.