Below are the Nifty and Bank Nifty Weekly Options Trading Levels for 17 Jan. Options are for 23 Jan Weekly Expiry
How to Trade Levels please watch the below video
Bank Nifty Weekly Call Options for LONG Trade for 17 Jan

Pattern, Price and Time: Using Gann Theory in Technical Analysis
Below are the Nifty and Bank Nifty Weekly Options Trading Levels for 17 Jan. Options are for 23 Jan Weekly Expiry