NSE IEOD database in amibroker format is updated till 5 October is available now to download. It has data from around January 2012, in 1 minute format. It has only those stocks and indices which are traded in F&O segment in NSE. Just download the file from below link and open the database in amibroker.
How to open database in Amibroker:
- Extract file with winrar utility.
- Start Amibroker.
- Goto File>Open database.
- Select the path where you have extracted the file.
- Click on OK.
To update the files daily there is application called Data Downloader, You can find it here.