Do more with TallyPrime!

Tally is not only an application in which you use pre-defined features of Tally software, but also you can build extensions, customizations and integrations using Tally Definition Language (TDL) according to your business specific needs and use your Tally to its optimal level.

Extensions do not impact any of the core features of Tally that you love. You continue to enjoy the speed, simplicity and flexibility of your Tally.

Add or Remove any extension at any given point of time without compromising data integrity and reliability.


Extensions are new functionality built over default Tally features. You can enhance your business by adding a feature, functionality, office productivity tools, and so on by adding the extensions.

Choose from an entire range of add-ons such as Invoicing, Workflow Management, Business Verticals, Alerts & Controls, and many more. All it takes is ONE CLICK and the Add-on is streamed into your PC, installed, licensed and immediately available for use! Buy, Install, Use… in few minutes!


Looking for feature or functionality to meet your unique business requirement? Build it for your business in a way you want. Tally Definition Language (TDL) provides complete flexibility and power to customise the solutions for complex business requirements with ‘Power of simplicity’.

I SYS is authorized Sales & Service partner of Tally & we have Trained and Certified people to build new capabilities and functionalities to meet your business requirements. Talk to one today.

If you have any requirement like Specific Invoice / Voucher Format to print on plain or pre-printed stationary, Creation / Changes to screen of data entry module, Set Tally Security Level - User wise / Voucher wise and any other unique requirements you may Contact I SYS Team. We are happy to help you :)


TallyPrime has been designed to provide extensive integration capabilities that enable businesses to build cross-platform solutions without compromising data integrity and reliability. Thus, empowering business to seamlessly interact with multiple applications or software systems.

Integration capabilities in Tally allow two-way data transfer, which means pulling data out from Tally database or pushing data to Tally is as easy as it could ever get. Tally allows integration between applications/databases in two modes

Online Mode

  • Tally to Tally
  • Tally to External Application and Vice Versa
  • Tally to web Services

Offline Mode

  • Export and Import of multiple formats of Data

A whole new experience awaits - for free!

You can move to TallyPrime, absolutely free of cost, with a valid TSS subscription!

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