Free GST tools and guides

For CAs and business owners who keep their books in TallyPrime. Free to use, no sign-up.

Tools

• Calendar

  GST due dates

  Every GSTR-1, GSTR-3B, PMT-06 and CMP-08 date for the next twelve months, for monthly, quarterly and composition filers.

  See the dates →
• Calculator

  ITC 180-day rule calculator

  Find a bill's day-180 deadline, the ITC at risk if it's unpaid, and which GSTR-3B to reverse it in.

  Open the calculator →

Guides

• Guide

  GSTR-2B reconciliation with TallyPrime

  What to compare, the mismatches you will find, and what to do about each one before you file GSTR-3B.

  Read the guide →
• Guide

  ITC reversal under Rule 37

  The 180-day payment rule: how much to reverse, which GSTR-3B table, interest, and claiming it back.

  Read the guide →
• Guide

  Blocked credits under Section 17(5)

  The purchases that never carry ITC, with the exceptions, and how to keep them out of your claim.

  Read the guide →
• Guide

  Supplier's GSTIN cancelled

  Which invoices still carry ITC, how to check a GSTIN's status, and what to do before paying again.

  Read the guide →
• Guide

  GSTR-2A vs GSTR-2B

  How they differ, which one decides your ITC, and what each is useful for.

  Read the guide →