Interest Tax Rate Between India and Singapore Under DTAA

Interest Tax Rate Between India and Singapore

When interest income arises in India and is paid to a tax resident of Singapore, the withholding tax rate is governed by Article 11 of the India-Singapore Double Taxation Avoidance Agreement (DTAA). The treaty, originally signed on 24 January 1994 and amended through multiple protocols (2005, 2011, and 2016), provides reduced withholding rates that vary depending on the nature of the recipient.

Under Article 11(2), the maximum tax that India (as the source state) can levy on interest payments to a Singapore tax resident is:

• 10% of the gross interest amount — if the interest is paid on a loan granted by a bank carrying on bona fide banking business, or by a similar financial institution (including an insurance company), that lender being the beneficial owner (Article 11(2)(a)).
• 15% of the gross interest amount — in all other cases (Article 11(2)(b)).

These rates represent a meaningful reduction from India's domestic withholding tax rate of 20% (plus applicable surcharge and 4% health & education cess), which can result in an effective domestic rate of 20.8% to 21.84%. When the DTAA rate is applied, no surcharge or cess is levied on top.

Treaty Rate vs Domestic Rate: Detailed Comparison

India's domestic withholding tax on interest paid to non-residents under section 393(2) of the Income-tax Act, 2025 (Table, Sl. No. 17; section 195 of the Income-tax Act, 1961) stands at 20%. After adding surcharge (2%–5% depending on income) and 4% health & education cess, the effective rate ranges from 20.8% to 21.84%.

The India-Singapore DTAA provides substantially lower rates:

For a Singapore bank receiving INR 5 crore in interest from an Indian borrower, the tax saving under the DTAA amounts to approximately INR 54 lakh to INR 59.2 lakh compared to the domestic rate. This makes the India-Singapore DTAA highly advantageous for cross-border lending arrangements.

It is important to note that these rates apply to the gross amount of interest, not the net amount after expenses. The Indian payer must deduct TDS on the entire interest payment at the applicable treaty rate.

Who Qualifies for the Reduced Rate

Claiming the reduced DTAA rate on interest income requires satisfying specific conditions:

Beneficial Ownership Requirement

Article 11 requires the recipient to be the beneficial owner of the interest. The Singapore entity must have the right to use and enjoy the interest income and must not be acting as an agent, nominee, or conduit obligated to pass the income to a third party. Back-to-back lending arrangements — where a Singapore bank receives interest from India and immediately pays corresponding interest to a non-treaty country entity — may face beneficial ownership challenges.

Bank vs Non-Bank Distinction

Article 11(2)(a) sets a lender-side test: the 10% rate applies only where the interest is paid on a loan granted by a bank carrying on bona fide banking business, or by a similar financial institution (including an insurance company). Institutions capable of satisfying that test include:

• Banks licensed under the Monetary Authority of Singapore (MAS)
• Insurance companies regulated by MAS
• Finance companies with banking-equivalent licenses
• Development finance institutions

All other recipients — including private companies, investment funds, non-banking financial companies (NBFCs), and individuals — are subject to the 15% rate, regardless of the quantum of interest. The 15% rate also applies where a qualifying bank or financial institution earns interest otherwise than on a loan it granted — for instance on bonds, debentures or government securities acquired in the market — because the 10% tier is tied to the granting of the loan, not merely to the status of the recipient.

Tax Residency Certificate

The Singapore recipient must obtain a Tax Residency Certificate (TRC) from the Inland Revenue Authority of Singapore (IRAS). This certificate is a mandatory prerequisite under section 159(8) of the Income-tax Act, 2025 (section 90(4) of the Income-tax Act, 1961) for claiming any DTAA benefit. The TRC must be valid for the financial year in which the interest is paid or credited.

Interest-Specific Treaty Provisions

Article 11 of the India-Singapore DTAA contains several important provisions that affect the application of the reduced rates:

Paragraph 1 — Residence State Taxation Right

Interest arising in India (the source state) and paid to a Singapore resident may be taxed in Singapore. However, paragraph 2 preserves India's right to also tax the interest, subject to the rate caps discussed above. This creates a shared taxing right, with double taxation relief provided through the credit method under Article 25.

Paragraph 3 — Definition of Interest

"Interest" is defined broadly as income from debt-claims of every kind, whether or not secured by mortgage and whether or not carrying a right to participate in the debtor's profits. It specifically includes income from government securities, bonds, and debentures, including premiums and prizes attaching to such securities, bonds, or debentures. Penalty charges for late payment are expressly excluded from the definition. Unlike some other Indian treaties, Article 11(3) contains no clause assimilating to interest whatever the source State's domestic law treats as interest.

Paragraph 4 — PE Attribution Override

If the Singapore recipient carries on business in India through a permanent establishment (PE), and the debt-claim generating the interest is effectively connected with that PE, Article 11 does not apply. The interest is instead taxed as business profits under Article 7. This is critical for Singapore banks with branch offices in India — interest on loans booked through the Indian branch may not enjoy the reduced 10% treaty rate.

Paragraph 5 — Source Rule

Interest is deemed to arise in India where the payer is India itself, a political sub-division, a local authority, a statutory body or a resident of India. It also arises in India where a payer — resident or not — has a permanent establishment or fixed base in India in connection with which the debt was incurred and which bears the interest. This determines which country is the "source state" entitled to levy withholding tax.

Paragraph 6 — Arm's Length Limitation

If the interest paid exceeds what would have been agreed between unrelated parties (arm's length), the excess amount is taxed under the general provisions of each country's domestic law. This transfer pricing safeguard prevents related parties from inflating interest payments to shift profits.

Article 24 — Limitation of Relief (Remittance Basis)

Article 24 sits outside Article 11 but directly limits the rates above. Because Singapore taxes foreign-sourced income by reference to the amount received in or remitted to Singapore rather than the full amount, Article 24(1) confines India's treaty relief to so much of the interest as is remitted to or received in Singapore. Where only part of the interest is remitted, the reduced 10%/15% cap applies only to that part and the balance remains taxable in India under domestic law. Article 24(2) carves the Government of Singapore and other approved persons out of this restriction.

Documentation Required

To claim the reduced interest withholding rate under the India-Singapore DTAA, the following documents must be furnished to the Indian payer before or at the time of payment:

1. Tax Residency Certificate (TRC) — Issued by IRAS confirming Singapore tax residency for the relevant financial year. Mandatory under section 159(8).
2. Form 41 (formerly Form 10F) — Self-declaration under section 159 of the Income-tax Act, 2025 (section 90(5) of the Income-tax Act, 1961) containing status (individual/company/bank), nationality/country of incorporation, Singapore tax identification number (UEN), period of residential status, and the article of the DTAA under which relief is claimed (Article 11).
3. No-PE Declaration — Confirming the Singapore entity does not have a permanent establishment in India to which the interest income is attributable.
4. Banking License / MAS Registration — If claiming the 10% rate, the Singapore bank must demonstrate it is carrying on bona fide banking business. A copy of the MAS banking license or equivalent regulatory certificate is advisable.
5. Loan Agreement — To establish the nature of the payment as interest and the arm's length nature of the interest rate.

Withholding Procedure for Indian Payers

Indian entities making interest payments to Singapore residents must follow the withholding procedure in section 393(2):

TDS Deduction Under Section 393(2)

The Indian payer must deduct tax at source on interest payments to the Singapore non-resident at the time of credit or payment, whichever is earlier. If the Singapore recipient has furnished valid documentation (TRC, Form 41), the payer applies the DTAA rate (10% for banks, 15% for others). Without these documents, the domestic rate of 20% (plus surcharge and cess) applies.

Lower Withholding Certificate (Section 395(1))

If the Singapore entity's total Indian tax liability is expected to be lower than the TDS amount (for example, due to deductible expenses reducing net taxable income), the entity can apply to the Assessing Officer for a lower or nil withholding certificate under section 395(1) of the Income-tax Act, 2025 (section 197 of the Income-tax Act, 1961). This is common for Singapore banks with significant India lending portfolios.

Forms 145 and 146 (formerly Forms 15CA and 15CB) Compliance

Before remitting the interest payment to Singapore, the Indian payer must:

• Form 146 — Obtain a Chartered Accountant's certificate verifying the nature of payment, applicable DTAA provisions, treaty rate applied, and TDS deducted. Required for payments exceeding INR 5 lakh in a financial year.
• Form 145 — File an electronic undertaking on the Income Tax e-filing portal. Part C applies when a Form 146 certificate has been obtained.

The authorized dealer bank will not process the outward remittance without a valid Form 145. A penalty of up to INR 1 lakh per default applies for non-compliance under section 462 of the Income-tax Act, 2025 (section 271-I of the Income-tax Act, 1961).

Quarterly TDS Return (Form 144 (formerly Form 27Q))

The Indian payer must report all interest payments to non-residents in Form 144 (quarterly TDS return), specifying the treaty rate applied, TDS deducted, and the Singapore recipient's details (name, address, tax identification number).

Common Disputes and Judicial Precedents

Interest payments under the India-Singapore DTAA have generated several categories of disputes:

Beneficial Ownership in Back-to-Back Loans

Indian tax authorities have challenged the beneficial ownership of interest income in cases where Singapore banks received interest from Indian borrowers but had corresponding back-to-back funding arrangements with non-treaty jurisdictions. The key test is whether the Singapore entity had genuine discretion over the interest income or was merely a conduit. ITAT decisions have generally upheld beneficial ownership where the Singapore bank bore genuine credit risk.

Bank vs Non-Bank Classification

Disputes have arisen over whether certain Singapore financial entities qualify as "banks" for the 10% rate. Entities like fund managers, merchant banks, and digital lending platforms may argue they are "similar financial institutions" under Article 11(2)(a). The ITAT has generally taken a narrow view, requiring the entity to hold a banking or equivalent license from MAS.

Interest on Tax Refunds

A recurring issue is whether interest on delayed tax refunds paid by the Indian government to a Singapore resident qualifies as "interest" under Article 11 or should be taxed under Article 23 (Income not expressly mentioned — the treaty's residual article). Several ITAT benches have held that refund interest falls under Article 11.

Guarantee Commission as Interest

Indian tax authorities have sometimes treated guarantee commission paid to a Singapore parent company as "interest" under Article 11, seeking to apply withholding tax. Multiple ITAT decisions have rejected this classification, holding that guarantee fees are not income from a debt-claim and should be classified as business profits (Article 7) or as income not expressly mentioned (Article 23).

Interest on ECB Loans

External Commercial Borrowings (ECBs) from Singapore banks to Indian companies are subject to both RBI regulations and DTAA provisions. The 10% DTAA rate applies to ECB interest where the Singapore lender is a bank or similar financial institution that granted the loan, but compliance with FEMA regulations regarding pricing and end-use restrictions is independently required. Under Notification FEMA 3(R)(5)/2026-RB (in force 16 February 2026), ECB with an average maturity of three years or more has no all-in-cost ceiling and is priced in line with prevailing market conditions; only ECB with an average maturity under three years remains subject to the Trade Credit ceiling of the benchmark rate plus 300 basis points for foreign-currency ECB (250 basis points for rupee ECB). Where a concessional domestic rate is available for the particular borrowing (for example the reduced rate under Section 194LC for eligible foreign-currency borrowings), section 159(4) of the Income-tax Act, 2025 (section 90(2) of the Income-tax Act, 1961) lets the payer apply whichever of the treaty or the domestic provision is more beneficial to the recipient.

Practical Examples and Calculations

Example 1: Singapore Bank Lending to Indian Company

DBS Bank Singapore extends a USD 10 million term loan to an Indian manufacturing company at 6% per annum. Annual interest payable: USD 600,000 (approximately INR 5 crore).

• Domestic rate: 20% = INR 1,00,00,000, plus surcharge and 4% cess — an effective INR 1,04,00,000 to INR 1,09,20,000 (20.8%–21.84%, depending on the surcharge slab)
• DTAA rate (Article 11(2)(a) — loan granted by a bank): 10% = INR 50,00,000
• Tax saving: INR 54,00,000 to INR 59,20,000 per year

DBS must furnish its TRC from IRAS and banking license. The Indian company files Forms 145 and 146 before each interest remittance.

Example 2: Singapore Investment Fund

A Singapore-based investment fund (not a bank) holds Indian corporate bonds yielding INR 2 crore in annual interest.

• Domestic rate: 20% = INR 40,00,000, plus surcharge and 4% cess — an effective INR 41,60,000 to INR 43,68,000 (20.8%–21.84%)
• DTAA rate (Article 11(2)(b) — non-bank): 15% = INR 30,00,000
• Tax saving: INR 11,60,000 to INR 13,68,000

The fund must furnish TRC and Form 41. Since it is not a bank, the 15% rate applies.

Example 3: PE Attribution

OCBC Bank has a branch office in India (constituting a PE). The branch directly originates a loan to an Indian company and earns interest. Since the loan is effectively connected with OCBC's Indian PE, Article 11 does not apply. The interest is taxed as business profits under Article 7 at the Indian tax rate applicable to foreign companies (35% plus surcharge and cess, effective up to ~38.22%), which is far higher than the 10% treaty rate on interest.

Frequently Asked Questions

What is the interest tax rate under the India-Singapore DTAA?

The DTAA caps interest withholding tax at 10% where the interest is paid on a loan granted by a bank carrying on bona fide banking business or by a similar financial institution (including an insurance company), and at 15% in all other cases. Both are lower than India's domestic rate of 20% plus surcharge and cess.

Who qualifies for the 10% rate on interest?

The 10% rate applies where the interest is paid on a loan granted by a bank carrying on bona fide banking business, or by a similar financial institution (including an insurance company), which is also the beneficial owner. Non-banking financial companies, investment funds and individuals fall under the 15% rate — as does interest that a bank earns otherwise than on a loan it granted.

Does Singapore tax interest received from India?

Singapore taxes foreign-sourced interest when it is received in or remitted to Singapore, and the Indian withholding tax can generally be relieved through Singapore's foreign tax credit system. The Section 13(8) foreign-sourced income exemption does not assist: it covers only foreign dividends, foreign branch profits and foreign-sourced service income, not interest, so any exemption would have to come from an order under Section 13(12). Note also Article 24 of the treaty — where Singapore taxes the income only on remittance, India's reduced rate applies only to the amount remitted to or received in Singapore.

What is the role of Forms 145 and 146?

Form 145 is an online undertaking filed by the Indian payer before remitting interest abroad. Form 146 is a Chartered Accountant's certificate verifying the applicable DTAA rate and TDS deducted. Both are mandatory for remittances exceeding INR 5 lakh.

Can the Indian payer apply a lower rate than the DTAA rate?

Yes, if the Singapore entity obtains a lower or nil withholding certificate under section 395(1) of the Income-tax Act, 2025 (section 197 of the Income-tax Act, 1961). This is common when the entity has deductible expenses that reduce its net Indian tax liability below the gross withholding amount.

Does the 10% rate apply to all types of interest?

No. Article 11(3) defines interest broadly — term loans, bonds, debentures, ECBs, trade credits and government securities — but the 10% tier is tied to the loan: it applies only to interest paid on a loan granted by a bank or similar financial institution (including an insurance company). Interest on debt-claims that do not arise from such a loan, for example bonds or government securities acquired in the market, is capped at 15%, as is interest paid to any other recipient. Penalty charges for late payment are excluded from Article 11 altogether.

What if the Singapore lender has a PE in India?

If the debt-claim generating the interest is effectively connected with the Singapore lender's PE in India, Article 11 does not apply. The interest is instead taxed as business profits under Article 7 at regular Indian corporate tax rates, which are typically higher than the 10%/15% treaty rates.