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Glossary GST

Input tax credit (ITC)

Definition

Input tax credit (ITC) is the GST paid on business purchases that you can set off against the GST you collect on sales, so you pay tax only on the value you add.

Updated 2026-11-052 min read

Example

A Lucknow furniture shop pays ₹27,000 GST on ₹1,50,000 of wood and hardware, and collects ₹45,000 GST on ₹2,50,000 of furniture sold. After setting off ₹27,000 of ITC, it pays ₹18,000 in cash. If the supplier had not reported the bill, the ₹27,000 would wait until it appears in GSTR-2B.

Input tax credit in TallyPrime and in Cashflow OS

Where to find itIn TallyPrime

Purchase vouchers with GST ledgers book input CGST, SGST or IGST in TallyPrime, and its GST reports show the input tax available, which you compare with GSTR-2B.

On your phoneIn Cashflow OS

Cashflow OS shows purchases, supplier ledgers and a GSTR-3B view prepared from the synced Tally data, so the input side can be checked away from the office PC.

See how it works
Input tax credit in the Cashflow OS app

Common misunderstandings

  • Watch outClaiming ITC on blocked items such as many personal-use purchases.
  • Watch outKeeping the credit after not paying the supplier within 180 days of the invoice date.

How ITC works

GST is charged at each stage of a sale. A trader who buys stock pays GST to the supplier, then charges GST to the customer. ITC lets the trader deduct the first amount from the second and pay only the difference to the government. Without it, tax would pile up at every step.

Example

ItemTaxable valueGST at 18%
Purchase of fans₹2,00,000₹36,000 (input)
Sale of the same fans₹2,50,000₹45,000 (output)
GST payable after ITC₹9,000

The ₹9,000 is 18% of the ₹50,000 you added. If the ITC could not be claimed, you would pay the full ₹45,000.

The main conditions

  • You hold a valid tax invoice or debit note.
  • You have received the goods or services.
  • The credit appears in your GSTR-2B, which depends on the supplier filing their GSTR-1.
  • The supplier has actually paid the tax, and you have filed your own return.
  • The purchase is not on the blocked list (for example many personal-use items).
  • You pay the supplier within 180 days of the invoice date, or reverse the credit.

There is also a time limit to claim credit for a financial year. Details are in our guide on ITC conditions and the list of blocked credits. Confirm current rules on cbic-gst.gov.in.

Where it shows up in TallyPrime

When you record a purchase voucher with GST ledgers, TallyPrime books the input CGST, SGST or IGST into the tax ledgers and shows it in its GST reports as eligible input. Comparing that input with GSTR-2B from the portal is how you find bills your supplier has not uploaded. Our guide on GSTR-2B matching walks through it.

This is general information, not tax advice.

Related terms

GSTR-2BGSTR-3BReverse charge (RCM)Composition dealerDebit noteAll terms A–Z

Questions about Input tax credit

Can I claim ITC if my supplier has not filed GSTR-1?
Generally no. The invoice must appear in your GSTR-2B, which is built from what suppliers file. Follow up with the supplier before you claim.
Is ITC available on a car bought for the business?
Motor vehicles for carrying people are mostly blocked, with some exceptions such as businesses that deal in vehicles or use them to carry passengers. Check the current blocked-credit rules.
What happens to ITC if I do not pay the supplier?
If you do not pay within 180 days of the invoice date, the credit has to be reversed with interest. You can claim it again once you pay.
Can I use IGST credit to pay CGST and SGST?
Yes. IGST credit is used first against IGST and then against CGST and SGST in the order set by the rules. The portal applies the order when you file GSTR-3B.
Is there a time limit to claim ITC?
Yes. Credit for a financial year has to be claimed within a time limit linked to the following year's returns. Check the current limit on cbic-gst.gov.in.

This page is general information for Indian businesses, not tax, legal or financial advice. Rules and rates change — check the official portals or your CA before acting.

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