Nifty Options Backtesting Strategy

I need a complete backtesting setup for my Nifty option-buying approach. The script has to let me define and replay precise entry points, exit points, profit / loss calculation, and the risk-reward ratio so I can see exactly how the rules would have played out on historical data... (Budget: ₹600 - ₹1500 INR, Jobs: Backtesting, Data Analysis, Excel, Excel VBA, Pandas, Python, Software Architecture, Visual Basic)