SEZ Benefits for Indian Exporters: Tax, Duty & GST Guide

Key takeaways

India's Special Economic Zones were created to build export-oriented manufacturing and services hubs with world-class infrastructure and a simplified regulatory environment. The core idea is straightforward: if you manufacture inside an SEZ and export from it, the government treats your zone as if it were outside India's customs territory. No import duties, no GST on procurement, and historically, significant income tax benefits.

As of 2026, India has over 270 operational SEZs across 28 states, contributing roughly 30% of the country's total merchandise exports. While the income tax sunset clause has changed the calculus for new units, the duty and GST benefits alone make SEZs a compelling option for export-focused manufacturers. This guide breaks down every benefit, every obligation, and the practical trade-offs you need to evaluate before committing.

The SEZ Act 2005 Framework

The Special Economic Zones Act, 2005 (along with the SEZ Rules, 2006) replaced the earlier Export Processing Zone (EPZ) scheme and gave SEZs a dedicated statutory framework. The Act is administered by the Department of Commerce under the Ministry of Commerce and Industry, with day-to-day oversight handled by Development Commissioners appointed for each zone.

The framework creates two distinct categories of participants. SEZ Developers build and maintain the zone infrastructure. Roads, power, water, telecom, and the customs boundary wall. SEZ Units are the businesses that set up operations inside a zone to manufacture goods, render services, or trade. Both developers and units receive tax and duty benefits, though unit-level benefits are what matter most to exporters.

Every SEZ is a customs-bonded area with its own customs station. Goods moving from the Domestic Tariff Area (DTA) into an SEZ are treated as exports from India. Goods moving from an SEZ into the DTA are treated as imports. This deemed foreign-territory status is the foundation of every benefit that follows.

Duty-Free Imports for Manufacturing

The single biggest operational advantage of an SEZ is unrestricted duty-free imports. Under Section 26 of the SEZ Act and Rule 27 of the SEZ Rules, an authorised SEZ unit can import the following without paying any customs duty, including Basic Customs Duty (BCD), Countervailing Duty (CVD), and any applicable cess:

• Capital goods. Machinery, plant and equipment, tools, dies, moulds, and any apparatus required for manufacturing or service delivery.
• Raw materials and components. All inputs required for manufacturing the export product, including semi-finished goods.
• Consumables. Packing materials, lubricants, fuels, office supplies, and any items consumed in the production process.
• Spares and parts. Replacement parts for capital goods already installed in the unit.

There is no cap on the value or quantity of duty-free imports as long as the goods are used within the SEZ unit for its authorised operations. The imports are made under a bond executed with the SEZ customs authorities, and the unit must maintain detailed records of consumption and inventory.

Procurement from the DTA (domestic suppliers) is equally attractive. When a domestic supplier sells goods to an SEZ unit, the transaction is treated as a deemed export from India. The supplier can claim export benefits like duty drawback and RoDTEP, and the SEZ unit receives the goods without paying customs duty.

Income Tax Benefits Under Section 10AA

Section 10AA of the Income Tax Act provides a graduated deduction on profits derived from export of goods or services by SEZ units. The deduction is available for 15 consecutive assessment years beginning from the year the unit commences manufacturing or service operations:

The deduction is calculated using a specific formula: Profit of the unit x Export turnover of the unit / Total turnover of the unit . This formula ensures that only profits attributable to exports (not domestic sales) qualify for the deduction.

GST Zero-Rated Supplies to SEZ

Under Section 16 of the IGST Act, any supply of goods or services to an SEZ unit or SEZ developer is treated as a zero-rated supply . This is one of the most valuable operational benefits because it means the SEZ unit effectively pays no GST on anything it procures domestically.

The zero-rating works through two mechanisms. The DTA supplier can either supply goods or services without charging IGST (under a Letter of Undertaking or bond) and then claim a refund of input tax credit on the inputs used. Or the supplier can charge IGST on the invoice, and the SEZ unit claims a refund of the IGST paid. In practice, most SEZ units prefer the first option. It avoids cash flow blockage from paying GST upfront.

This zero-rating applies to everything the unit procures from DTA suppliers: raw materials, capital goods, services (including accounting, legal, IT services), power, water, and even canteen and housekeeping services. The key requirement is that the goods or services must be for "authorised operations" as defined in the unit's Letter of Approval.

GST compliance requirements for SEZ units

• SEZ units must obtain a separate GST registration for operations within the zone, even if they already have a DTA registration.
• Supplies from DTA to SEZ require endorsement by the SEZ customs officer on the bill of export or ARE-1 form.
• SEZ units must file regular GST returns (GSTR-1, GSTR-3B) for their SEZ registration.
• Refund claims for IGST paid on inputs must be filed through the GST portal with supporting documentation including the SEZ-endorsed invoices.

Types of SEZs in India

Not all SEZs are the same. The SEZ Act allows for different categories based on the type of activity and the minimum area requirements. Choosing the right type affects what you can manufacture, the infrastructure available, and the regulatory environment you operate in.

IT/ITES SEZs are by far the most numerous category, accounting for over 60% of all operational SEZs. Their lower minimum area requirement (10 hectares vs 1,000 for multi-product) makes them easier to develop, and the booming Indian IT services sector has driven consistent demand.

Free Trade Warehousing Zones deserve special attention for traders and logistics companies. FTWZs allow you to import goods duty-free, store them, and re-export them without ever entering the Indian DTA. They are essentially bonded logistics parks with SEZ-level benefits, ideal for businesses that serve as regional distribution hubs for South Asia.

Net Foreign Exchange (NFE) Obligation

Every SEZ unit must achieve positive Net Foreign Exchange (NFE) on a cumulative basis within 5 years from the date of commencement of production or service operations. This is the fundamental quid pro quo for all the benefits: the government gives you duty-free imports and tax breaks, and in return, you must be a net earner of foreign exchange for the country.

NFE is calculated using a simple formula:

NFE = FOB value of exports − CIF value of all imports (capital goods + raw materials + consumables + spares + services)

The calculation is cumulative, not annual. A unit can have negative NFE in its first two or three years (when it is importing capital goods and setting up) as long as total exports exceed total imports by the end of year five. The Development Commissioner monitors NFE through Annual Performance Reports (APRs) that every unit must submit within 60 days of the end of each financial year.

Items excluded from NFE calculation

• Imports of capital goods required for the approved operation (excluded for the first 5 years only in certain sector-specific SEZs).
• Goods supplied to other SEZ units or to Export Oriented Units (counted as deemed exports for NFE purposes).
• Supplies to international organisations, foreign diplomatic missions, and privileged personnel within India.

DTA Sales Provisions

SEZ units are permitted to sell goods and services into the Domestic Tariff Area, but these sales come with significant cost implications. Since the SEZ is treated as foreign territory, any goods moving from the SEZ into the DTA are treated as imports into India . This means:

• Customs duty is payable on the transaction value at the rate applicable to similar imported goods (MFN tariff rate or the concessional rate under applicable FTA, whichever the unit opts for).
• GST (IGST) is payable on the value including customs duty, just as it would be on any other import.
• DTA sales reduce your NFE. The import value of goods sold to DTA is added to your import side in the NFE calculation, reducing your net foreign exchange earnings.

DTA sales are allowed up to a limit. Under the current rules, an SEZ unit may sell up to 50% of its FOB value of exports into the DTA, subject to payment of applicable duties and subject to positive NFE being maintained. However, certain categories of goods (gems and jewellery, for instance) have different DTA sale entitlements.

Setting Up in an SEZ vs Operating from DTA

The decision to set up inside an SEZ versus operating from the regular DTA is not just about tax savings. It involves trade-offs in flexibility, compliance burden, and long-term strategic positioning. Here are the factors to evaluate:

When an SEZ makes sense

• You export 80%+ of production. If the vast majority of your output goes overseas, the duty-free import and GST zero-rating benefits directly reduce your cost of production without the DTA sale complications eating into the advantage.
• You have high import content in your product. If raw materials or components constitute 40-60% of your product cost and most are imported, the customs duty savings alone can be 10-25% of your input cost.
• You need world-class infrastructure. Many SEZs offer plug-and-play factory shells, reliable power, water treatment, and proximity to ports. Reducing your setup time and capex.
• You started before April 2020 and have remaining 10AA benefit years. The income tax deduction makes the financial case significantly stronger.

When DTA is the better choice

• You sell 40%+ domestically. If a large portion of your production is for the Indian market, DTA sales from an SEZ attract customs duty and IGST, making you uncompetitive against DTA-based manufacturers.
• You want operational flexibility. SEZ units must get DC approval for changes in product mix, new product additions, and capital goods disposal. DTA units have no such restrictions.
• You use primarily domestic inputs. If your raw materials are locally sourced and attract low or zero customs duty, the SEZ duty-free import benefit adds little value while the compliance burden remains.
• You are a new unit post-April 2020. Without Section 10AA, the income tax incentive is gone. The duty and GST benefits must stand on their own merits against the compliance costs of SEZ operations.

SEZ vs EOU vs DTA: A Detailed Comparison

Export Oriented Units (EOUs) under Chapter 6 of the Foreign Trade Policy offer an alternative to SEZs without requiring you to physically locate inside a designated zone. Here is how the three frameworks compare across every dimension that matters:

Recent Policy Changes Affecting SEZs

The SEZ landscape has undergone significant changes in recent years. Here are the policy shifts that matter most for exporters evaluating or operating within SEZs:

Development of Enterprise and Service Hubs (DESH) Bill

The proposed DESH Bill aims to replace the SEZ Act 2005 with a more flexible framework. Under DESH, existing SEZs would be redesignated as Development Hubs that can cater to both export and domestic markets without the strict NFE requirements. Units would have the freedom to sell domestically without paying customs duty (though GST would apply). While the Bill has been discussed since 2022, it has not been enacted as of August 2026. Existing SEZ units continue to operate under the current Act.

Section 10AA sunset (Finance Act 2020)

The most impactful change in recent years. Units that commenced operations after 31 March 2020 receive no income tax deduction under Section 10AA. This has significantly reduced the attractiveness of new SEZ setups, particularly for IT/ITES companies where the income tax benefit was often the primary draw. Existing units that started before the cutoff continue to enjoy the remaining years of their 15-year benefit window.

SEZ Rules 2024 amendments

Recent rule amendments have simplified several operational procedures: faster approval timelines for new unit proposals (reduced from 45 to 15 days for standard cases), simplified annual performance report formats, and relaxed minimum investment thresholds for certain sectors. The amendments also introduced provisions for partial de-notification of underutilised SEZ land, allowing developers to convert surplus area for non-SEZ purposes.

GST refund process improvements

The GST Council has progressively streamlined refund processing for SEZ suppliers, reducing the average refund timeline from 60-90 days to 30-45 days for most claims. The introduction of automated refund processing for zero-rated supplies and better integration between the SEZ Online system and the GST portal has reduced the paperwork and reconciliation burden for both SEZ units and their DTA suppliers.

Frequently Asked Questions

Is the Section 10AA income tax exemption for SEZ units still available?

Only for units that commenced operations on or before 31 March 2020. These units continue to receive the deduction for the remaining years of their 15-year window (100% for years 1-5, 50% for years 6-10, 50% with reinvestment for years 11-15). Units that started after this date are not eligible. The sunset clause was introduced by the Finance Act 2020.

What is the Net Foreign Exchange (NFE) obligation for SEZ units?

Every SEZ unit must achieve positive NFE (total exports minus total imports) on a cumulative basis within 5 years of commencing production. Failure can result in cancellation of the Letter of Approval and recovery of exempted duties with 15% interest. The Development Commissioner monitors performance through Annual Performance Reports.

Can an SEZ unit sell goods in the Domestic Tariff Area (DTA)?

Yes, up to 50% of the FOB value of exports, subject to payment of applicable customs duty and IGST. DTA sales also count against the unit's NFE calculation. Excessive DTA sales can jeopardise positive NFE status and the unit's SEZ benefits.

What is the difference between SEZ, EOU, and DTA for exporters?

SEZ units operate inside a designated duty-free zone with customs-free imports and GST zero-rating. EOUs can be located anywhere but operate under bond with duty-free imports and GST refund claims. DTA units have no special export scheme. They pay regular duties and taxes but access incentives like RoDTEP and duty drawback. The comparison table above covers the full breakdown.

Related Guides

• Common FEMA Violations for Exporters. The 7 most common FEMA violations Indian exporters make and how to avoid penalties.
• EDPMS Reporting Guide. How to keep your EDPMS entries matched and avoid RBI flags on your IEC.
• RoDTEP Guide for Exporters. Understanding the Remission of Duties and Taxes on Exported Products scheme.
• GST for Exporters. Complete guide to GST treatment of exports, zero-rating, LUT, and refund claims.

Update history

• 2026-08-11 First published.