GST Late Fee & Interest Calculator

Calculate late fees (CGST + SGST) and interest for delayed GST return filing under the CGST Act.

Return Type

Nil return (no tax liability)

Due Date

Filing Date

Tax Liability (Rs) — for interest

GST Late Fee Rules

GSTR-3B: Rs 50/day (Rs 25 CGST + Rs 25 SGST) with tax liability, Rs 20/day for nil returns. Max Rs 5,000 and Rs 500 respectively.

GSTR-1: Rs 50/day, max Rs 5,000.

GSTR-9: Rs 200/day (Rs 100 + Rs 100), max 0.5% of turnover in state/UT.

Interest: 18% per annum on outstanding tax liability from the due date.

CSTrax tracks all your GST filing deadlines and sends alerts before they are due.