You can download implementation guides on different modules from Tally solutions website.
To download the implementation guide
1. Go to www.tallysolutions.com
2. Click Downloads.
3. Under Tally.ERP 9, click Download.
4. Click Download Center Archive.
5. Click Implementation Guide.
Or
● Go to http://www.tallysolutions.com/products/tallyerp9/tallyerp9-implementationguides in your browser.