Here is a telegram group created to get bhavcopies from both NSE and BSE
https://t.me/bhavcopy_amibroker
Follow this link

The group is managed by a python bot which tweaks around NSE BSE site, gets the CSV file, converts to aminroker formatted text file.

All u need to do is, just command the bot.

Here is a smaple file for entire March 2023 series
https://t.me/bhavcopy_amibroker/1358