Below are the Nifty and Bank Nifty Weekly Options Trading Levels for 13 Feb. Options are for 13 Feb Weekly Expiry
How to Trade Levels please watch the below video
Bank Nifty Weekly Call Options for LONG Trade for 13 Feb

Pattern, Price and Time: Using Gann Theory in Technical Analysis
Below are the Nifty and Bank Nifty Weekly Options Trading Levels for 13 Feb. Options are for 13 Feb Weekly Expiry