Today, Nifty & Bank Nifty opened on a flat note. Then both the Indices traded in a small range. Later, near 01:00 pm, both again moved higher & ended the session in the green.
Above 17990-960 zone bulls are strong and can take Nifty towards 18200/18350 levels. On the upside, the 18100 is the level where Nifty may face resistance.
Bank Nifty is also stronger until trading above 37900 level. But on the higher side, 38600-700 is an important resistance zone, and the price action over that zone will play a vital role.

Nifty Intraday Gann Levels
Nifty bulls need to break & sustain above 18070 to move towards 18100/18140/18190/18250.
On the lower side, the Gann support level is 17990; below that Index can move towards 17960/17920/17870/17810.
Bank Nifty Intraday Gann Levels
Bank Nifty bulls need to break & sustain above 38600 to move towards 38750/38950/39200.
On the lower side, the Gann support level is 38300; below that Bank Nifty Index can move towards 38150/37950/37700.
Note: The above levels are for educational purposes only, not Buy/Sell advice.