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This GST case law analysis covers the Karnataka High Court's decision in M/S Bangalore Internationla Airport ... vs Union Of India, addressing the applicability of interest under Section 50 of the CGST Act. The core issue was whether interest could be levied on GST paid through the Electronic Cash Ledger before the due date, and on tax discharged through available Input Tax Credit (ITC), despite delayed filing of GSTR-3B returns. The court's ruling provides clarity on the calculation of interest on delayed GST payments and offers relief to taxpayers who have remitted tax on time through prescribed methods.

This ruling provides significant relief for taxpayers who remit GST through cash or ITC within the stipulated timeframe but file GSTR-3B returns late. It clarifies that the GST department cannot demand interest on amounts already paid on time via these mechanisms.

  • Interest under Section 50 CGST Act not applicable to tax paid via Electronic Cash Ledger before the due date.
  • Interest cannot be levied on tax discharged through ITC available in the Electronic Credit Ledger.
  • Late filing of GSTR-3B does not trigger interest on amounts already paid on time.
  • Taxpayers should ensure timely deposit of cash and availability of ITC to avoid potential interest demands.
  • This ruling reinforces the principle that interest is compensatory, not a penalty for delayed filing alone.

QIs interest applicable on GST paid through cash ledger before due date but GSTR-3B filed late?

No, the Karnataka High Court has ruled that interest under Section 50 of the CGST Act is not applicable if the GST amount was paid through the Electronic Cash Ledger before the due date, even if the GSTR-3B return is filed late.

QCan interest be levied on GST paid through ITC if GSTR-3B is filed late?

According to the Karnataka High Court, interest cannot be levied on the portion of GST discharged through Input Tax Credit (ITC) available in the Electronic Credit Ledger, irrespective of the delayed filing of GSTR-3B returns.

⚖ Headnote
The Karnataka High Court quashed a notice demanding interest under Section 50 of the CGST Act, holding that interest is not leviable on tax paid through the Electronic Cash Ledger before the due date, or when discharged through available ITC.

Ruling Summary

Outcome**
The High Court allowed the writ petition, quashing the impugned notice (O.C.No.564/2020 dated 17.03.2020) demanding interest for delayed payment of tax.

2. Core Issue
The core issue was whether interest under Section 50 of the Central Goods and Services Tax Act, 2017 (CGST Act) is leviable on:
a) The portion of tax paid through the Electronic Cash Ledger when the amount was deposited on or before the due date, but the GSTR-3B returns were filed belatedly.
b) The portion of tax discharged through Input Tax Credit (ITC) available in the Electronic Credit Ledger, irrespective of the delayed filing of GSTR-3B returns.

3. Key Facts
* M/s. Bangalore International Airport Limited (petitioner) received a notice dated 17.02.2020 demanding interest of Rs.1,33,21,214/- for alleged delayed payment of tax for periods July 2017, August 2017, September 2017, and February 2018.
* The petitioner replied on 11.03.2020, asserting that the cash portion of the tax was paid on or before the due date (20th of the succeeding month), and the remaining liability was covered by Input Tax Credit (ITC) available in its Electronic Credit Ledger by the due date.
* The dispute arose because the GSTR-3B returns, which formalize the payment and utilization of credit, were filed belatedly, leading the revenue to demand interest on the entire tax liability until the date of return filing.
* The impugned notice dated 17.03.2020 was issued, confirming the demand for interest.

4. Arguments (Taxpayer vs Revenue)

  • Taxpayer (M/s. Bangalore International Airport Limited):

    • Contended that the tax amount, whether paid via cash or through available ITC, was effectively with the Government on or before the due date.
    • Argued that the delayed filing of GSTR-3B returns should not trigger interest liability on amounts already paid or for which credit was available.
    • Relied on the proviso to Section 50(1) of the CGST Act, 2017, which, post-amendment, restricts interest to the portion of tax paid by debiting the electronic cash ledger, and that too, only if such debit is after the due date. This proviso, being clarificatory, should apply retrospectively.
    • Cited numerous High Court judgments (Madras and Gujarat) supporting the view that interest is not leviable on tax amounts for which cash was deposited or ITC was available by the due date, irrespective of delayed return filing.
    • The demand notice was without authority of law, unreasonable, discriminatory, illegal, and void.
  • Revenue (Union of India):

    • Reiterated arguments that interest was due because tax payment is deemed complete only upon the filing of GSTR-3B returns and the corresponding debiting of the electronic cash/credit ledgers.
    • Implicitly argued that mere deposit in the Electronic Cash Ledger or availability of ITC does not constitute "payment" to the Government until the return is filed and the ledgers are debited.
    • Cited judgments such as Megha Engineering and Infrastructures Ltd. v. CCT (Telangana High Court) and RSB Transmission case (Jharkhand High Court), which supported the view that interest would accrue until the date of return filing.

5. Court’s Reasoning
The High Court, after considering the submissions and extensively reviewing statutory provisions and precedents, reasoned as follows:
* Interpretation of Section 50(1) Proviso: The Court highlighted that the proviso to Section 50(1) of the CGST Act, 2017, specifically states that interest "shall be levied on that portion of the tax that is paid by debiting the electronic cash ledger" (except in cases of proceedings under Section 73 or 74). This proviso, made retrospective from 01.07.2017 by the Finance Act, 2021, clarifies that interest is only on the net cash liability.
* Nature of Interest: Interest is compensatory, intended to recompense the revenue for deprivation of funds.
* Electronic Cash Ledger (ECL): When an amount is deposited by generating a Challan Identification Number (CIN), it is immediately credited to the Government's account. The subsequent debiting of the ECL upon filing GSTR-3B is merely an accounting entry for adjustment, not the actual payment to the Government. If the cash was deposited by the due date, the Government was not deprived of the funds, hence no interest is applicable on this portion due to delayed return filing.
* Electronic Credit Ledger (ECRL) / Input Tax Credit (ITC): Amounts in the Electronic Credit Ledger represent funds already available with the Government. Since the Government is already in possession of these funds, there is no "deprival" of revenue, and therefore, no interest can be levied on the portion of tax discharged through available ITC, even if returns are filed late.
* Proviso's Function: Following Supreme Court precedents, the Court emphasized that a proviso carves out an exception or clarification to the main enactment; it cannot expand or fundamentally alter the provision it qualifies. The proviso clarifies that interest is only on the cash portion paid after the due date.
* Distinguishing Contrary Judgments: The Court explicitly disagreed with and did not follow the judgments of the Telangana High Court (Megha Engineering) and Jharkhand High Court (RSB Transmission) which held that tax payment is complete only upon filing GSTR-3B. It found these judgments "not in line with the provisions of the Act and Rules."
* Conclusion: Based on the above, the Court held that since the cash portion of tax was deposited by the due date and ITC was available by the due date, the petitioner was not liable to pay interest as demanded by the revenue. The impugned notice was deemed illegal, arbitrary, and without jurisdiction.

6. Statutory References
* Central Goods and Services Tax Act, 2017 (CGST Act):
* Section 39 (specifically 39(1), 39(7), 39(10))
* Section 49 (specifically 49(1), 49(3), 49(6), 49(8), 49(11) Explanation (a))
* Section 50 (specifically 50(1) and its Proviso, 50(3))
* Section 54 (specifically 54(12))
* Section 73, Section 74, Section 74A
* Section 80
* Central Goods and Services Tax Rules, 2017:
* Rule 61(1), 61(2)
* Rule 87 (specifically 87(6), 87(7))
* Rule 88B(1)
* Integrated Goods and Services Tax Act, 2017: Section 14
* Finance Act, 2019
* Finance Act, 2021
* Article 226 of the Constitution of India

7. Precedents Cited
The Court extensively relied on and followed:
* Eicher Motors Ltd., Vs. Superintendent of GST And Central Excise - (2024) 14 Centax 323 (Mad.)
* Tamilnadu State Transport Corporation (Villupuram) Ltd., Vs. Additional Commissioner of Central Tax, Chennai - (2025) 31 Centax 305 (Mad.)
* Arya Cotton Industries Vs. Union of India - (2024) 20 Centax 8 (Guj.)
* Symphony Limited & Anr. Vs. Union of India & Anr. - 2025 - VIL - 1037 - Guj.
* Refex Industries Limited Vs. Asstt. Commr. of CGST & C. Ex., Chennai - 2020 (34) G.S.T.L. 588 (Mad.)
* Vishnu Aroma Pouching (P.) Ltd. v. Union of India - 2020 (38) G.S.T.L. 289 (Guj.)
* Commissioner of Income Tax versus Modipon Limited (Supreme Court, regarding PLA in excise as payment)
* Romesh Kumar Sharma case (Supreme Court, on interpretation of provisos)
* Commissioner of Income-tax v. Indo-Mercantile Bank Ltd. (Supreme Court, on function of proviso)
* Mahalaxmi Sugar Mills Co. versus C.I.T. Delhi (Supreme Court, on interest being compensatory and part of liability)
* Maruti Wire Industries Pvt. Ltd. versus S.T.O IST Circle Mattancherry and Others [2001-VIL-11-SC] (Supreme Court, on crystallization of liability upon filing return)
* Commissioner Of Income Tax, Mumbai vs Anjum M.H.Ghaswala & Ors (252 ITR 1) (Supreme Court, on compensatory nature of interest in Income Tax)

The Court distinguished and did not follow:
* Megha Engineering and Infrastructures Ltd. v. CCT - MANU/TL/41/2019 (Telangana High Court)
* RSB Transmission case (Jharkhand High Court)
* India Yamaha Motors Private Limited (implicitly, as it supports the view of the distinguished cases).

Sections Referenced in This Case

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