How to activate TDS, create TDS leader and other ledgers, reports and also how to pass entries related to TDS.
Free Demo is available from Tally Solutions India Pvt Ltd

Please see the following link for download the same :
http://tallysolutions.com/newwebsite/Downloads/Presentations/TallyERP%209/18%20TDS.exe

How to create Service Tax leader and other ledgers, reports and also how to pass entries related to service tax.
Free Demo is available from Tally Solutions India Pvt Ltd

Please see the following link for download the same :
http://tallysolutions.com/newwebsite/Downloads/Presentations/TallyERP%209/19%20Service%20Tax.exe

How to pass Purchase and Sales Entries with Receipt Note and Delivery Note.
How to get all sales bills and purchase bills.
Free Demo is available from Tally Solutions India Pvt Ltd

Please see the following link for download the same :
http://tallysolutions.com/newwebsite/Downloads/Presentations/TallyERP%209/04%20Purchase%20and%20Sales.exe