Weekly Banknifty Option Historical Data download not working

[mbmarx]

Team, Monthly Expiry historical Option PE CE Index ,Script data downloading is working Issue : For weekly Option Contract Expiry downloading PE CE data for a strike price not working tried with BANKNIFTY. How to download weekly expiry data ,which code needs to be fixed to get weekly historical option data

it returns empty data frame . Any solution to download weekly FNO historical data for backtesting