Tally Definition Language (TDL) is the development Language
of Tally.ERP 9. This allows the programmers to develop and deploy faster,
effective Tally Extensions with ease. This menu, TDL World, divided into two
sections. First section begins with the Introduction to TDL and focuses on
basic concepts of TDL, Second section devoted to a detailed discussion of TDL
language enhancements for Tally.ERP 9. This section describes the new features,
Writing Remote Compliant TDL Reports and User Defined Functions respectively.
Also in TDL World you can
find some very useful TDL Source code for users study Purpose.