I have been working on backtesting for NIFTY and BANKNIFTY futures. I have data for minute resolution in a trade schema (Time, Open, High, Low, Close). However, I don’t have the factor_files and map_files for NIFTY and BANKNIFTY. Due to the absence of these two files, I can’t run the backtest. I have tried to find information about the data and format for these files, but I haven’t found any relevant information. So, how can I obtain the data for factor_files and map_files from 2011 to 2022 ?