Historical data for Intraday Index Futures & Options for last three years

Dear all, I am looking for historical data for Index (Nifty, BankNifty and FINNIFTY) for backtesting . Can you please suggest any links? Thanks in advance. Regards
hello @optionwriter sir, the link above points to APR 2021 data.

We are looking for maximum possible historical intraday data for NF and BNF futures. It will be great if can share if you have it. We are even ready to pay for it.

Will await your reply.