Saral eST3 9.0 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The most popular versions of the tool 9.0, 8.1 and 8.0. Saral eST3 relates to Business Tools. The actual developer of the software is Relyon Softech Ltd. StoST.exe is the common file name to indicate the Saral eST3 installer.
From the developer:
Saral eST3 is a powerful program designed for the electronic filing of Service Tax Returns and Challans. The program allows you to fill details such as month wise taxable service bills, value of taxable service realized, payable amount of service tax, adjusted amount, interest, details of service tax and total amount paid.
You may want to check out more software, such as Winman's Saral Tax, Saral PayPack or Saral TaxOffice, which might be similar to Saral eST3.