GST Payment: Due Dates, Late Fees & Interest

Pramit Pratim Ghosh

Pramit Pratim Ghosh

Updated on Apr 23, 2026

30 second summary | GST payment is a critical compliance requirement where registered taxpayers must pay their tax dues and file returns—typically by the 20th of the following month. If tax is not paid, the return is considered invalid, and subsequent returns cannot be filed until dues are cleared. Delays attract interest from the due date and late fees, which can go up to ₹100 per day (subject to limits). Serious non-compliance or tax evasion can lead to heavy penalties, fines, and even imprisonment based on the amount involved. Timely GST payment ensures smooth filing, avoids penalties, and maintains proper compliance and business continuity under GST regulations.

GST Payment & Due Date

GST payment is extremely crucial for the compliance of a business. As per the guidelines, every registered regular taxpayer has to furnish the GST returns on a monthly basis, and pay the requisite tax by the due date for payment of GST – 20th of every month.

If by any chance, if a person furnishes a monthly return without paying the tax due, the return furnished will be considered as an invalid return. Without furnishing the return for a month and paying the tax due, the subsequent month’s return cannot be furnished. Also, if the tax due is not paid, interest will be applicable on the same, starting from the GST payment due date on which the tax was supposed to be paid.

How to Generate a GST Challan: Step-by-Step Process 

A GST challan (PMT-06) is used to deposit GST liability into the government account. You can generate it online through the GST portal in just a few steps.

1. Visit the GST Portal

Go to: https://www.gst.gov.in

2. Navigate to Payment Section

Click on:
Services → Payments → Create Challan

3. Enter Tax Details

Fill in the required details:

Type of tax (CGST, SGST, IGST, Cess)
Amount to be paid
Interest, penalty (if applicable)


4. Choose Payment Mode

Select your preferred payment method:

Net Banking
NEFT/RTGS
Over-the-counter (OTC) (for limited amounts)

5. Generate Challan

Click on “Generate Challan”

A CPIN (Challan Identification Number) will be generated and is valid for 15 days

6. Make Payment

Complete the payment using the selected mode.

After successful payment:

A CIN (Challan Identification Number) is generated
Payment is reflected in your Electronic Cash Ledger

Penalties for Non-Compliance under GST

In order to avoid such instances, various measures have been laid down to check non-compliance under GST, which vary based on the severity of the offence. In fact, penalties have been made stricter for tax evaders under GST, as compared to the previous regime.

In the previous regime, tax authorities could arrest a taxable person if the amount of tax evaded exceeded INR 2 Crores under Excise and Service Tax. In VAT, barring Gujarat, no other state had the arrest clause. Under GST, a tax evasion of INR 50 Lakhs can attract a prison sentence of up to 1 year with fine. A non - bailable arrest, with imprisonment of up to five years and fine, could follow if the value of tax evasion exceeds INR 1 crore.

The following are the various penalties in the form of late fines and interest on the same, charged for non-compliance under GST.

Late Fee for GST Payment after Due Date

A person fails to furnish details of outward or inward supplies, monthly return or final return by the GST payment due date – INR 100 for every day during which the failure continues, subject to a maximum of INR 5,000

A person fails to furnish the annual return by the GST payment due date – INR 100 for every day during which the failure continues, subject to a maximum of quarter percent of the person’s turnover in the state where he/she is registered

Interest on Late Fee for GST Payment after Due Date

The rate of interest on the applicable offences, in case one misses the GST payment last date, is yet to be notified. The circumstances for levy of interest are as follows:

  • A person liable to pay tax fails to pay the tax - Interest on the tax due will be calculated from the first day on which the tax was due to be paid.
  • A person makes an undue or excess claim of input tax credit or undue or excess reduction in output tax liability - Interest on the undue excess claim or undue or excess reduction.
  • A recipient of a service fails to pay to the supplier of the service the amount towards the value of the service, along with tax payable thereon, within 3 months from the date of issue of invoice by the supplier - Interest on the amount due will be added to the recipient’s liability.

FAQs

GST payments can be made through multiple banking modes: Net Banking Debit Card / Credit Card (CC/DC) UPI / Payment Gateway NEFT/RTGS Over-the-Counter (OTC) (cash, cheque, demand draft – within limits)

To pay GST using Kotak Net Banking: Log in to the GST portal Go to Services → Payments → Create Challan Enter tax details and select Net Banking Choose Kotak Mahindra Bank Proceed to bank login and complete payment After payment, you’ll receive a CIN and confirmation

Generate challan on GST portal Select Payment Gateway (CC/DC/UPI) Choose Kotak Mahindra Bank Enter card/UPI details Complete authentication and payment

If net banking is not available, you can: Use Debit/Credit Card or UPI via Kotak Payment Gateway Choose NEFT/RTGS using the challan details Visit a bank branch and use OTC method (within limits)

CPIN (Common Portal Identification Number) is a temporary number generated when you create a GST challan.

A GST challan (CPIN) is valid for 15 days from the date of generation.

Published on November 21, 2019

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