Income Tax · Business & Profession Taxability · Updated August 2026
Income Tax for Fish Farming & Aquaculture in India 2026: ITR Code, Agricultural-Income Myth, 44AD, GST & Pond Costs
Fish farming is coded under the agriculture/fisheries family in the ITR schema, but that code does not make the income “agricultural income” under section 2(1A). Agricultural income is fundamentally tied to land used for agriculture and specified cultivation-related activities; aquaculture should be analysed as business income unless a specific rule applies.
Finin2min answer
Independent receipts are ordinarily taxable under PGBP. Section 44AD may be available only where the taxpayer and the actual business satisfy its conditions; the job title itself is never enough.
AY 2026-27 Nature-of-Business code: 02003 / 02006 — Fish farming / Other fish-farming activity n.e.c..
For Fish Farming & Aquaculture Businesses, AY 2026-27 reports FY 2025-26 under the Income-tax Act, 1961; this matters because the business-code, presumptive-tax and books/audit decisions must be made for the actual operating model. The Income-tax Act, 2025 applies from 1 April 2026 for tax year 2026-27. Its resident presumptive provisions are consolidated in section 58, books in section 62 and tax audit in section 63. Therefore, the AY 2026-27 return still follows the 1961-Act form/rule framework, while current-year planning should separately track the 2025-Act position.
Why this business needs a separate tax guide
Fish farming is coded under the agriculture/fisheries family in the ITR schema, but that code does not make the income “agricultural income” under section 2(1A). Agricultural income is fundamentally tied to land used for agriculture and specified cultivation-related activities; aquaculture should be analysed as business income unless a specific rule applies. A good return therefore starts from the commercial model—who pays, what is supplied, whether the taxpayer acts as principal or agent, how GST invoices are raised, and which receipts appear in AIS/26AS.
AY 2026-27 ITR business/profession code
Suggested code(s): 02003 / 02006 — Fish farming / Other fish-farming activity n.e.c..
The code above is taken from the official AY 2026-27 ITR-3 schema for Fish Farming & Aquaculture Businesses. It classifies the activity for return reporting; it does not itself grant 44AD/44ADA eligibility, a GST exemption or a deduction. If multiple material activities exist, keep an activity note showing why 02003 / 02006 represents the dominant stream and how other streams were reported.
Map the receipts before calculating tax
Typical receipts include:
- sale of farmed fish/shrimp
- fingerling/hatchery receipts
- pond/service contracts
- processing/packing where undertaken
- subsidy/grant receipts subject to specific tax treatment
For Fish Farming & Aquaculture Businesses, build turnover from gross invoices/contracts and supporting statements, not merely from net bank credits. TDS, gateway/agent deductions, refunds, advances, credit notes and genuine pass-through collections should each be bridged separately; amounts excluded as agency/pure-agent money need documentary support.
Which ITR should be filed?
For an individual/HUF running Fish Farming & Aquaculture Businesses under regular books, ITR-3 is the normal AY 2026-27 starting point. If the activity is an eligible section 44AD business and all other ITR-4 conditions are satisfied, an eligible resident individual/HUF/firm (other than LLP) may use ITR-4; the form itself has a ₹50 lakh total-income ceiling and other exclusions. Where the business has commission/agency, special presumptive, foreign-asset or other excluded features, do not assume ITR-4 is available. Companies and LLPs use their applicable entity returns.
Presumptive taxation: 44AD, 44ADA or a special rule?
For an eligible resident individual/HUF/partnership firm (other than LLP), section 44AD can be considered if the activity is an eligible business and turnover stays within the statutory ceiling: ₹2 crore ordinarily or ₹3 crore where cash receipts do not exceed 5% of total receipts. Presumptive profit is generally 6% for qualifying non-cash receipts and 8% for other receipts. Commission/brokerage/agency businesses, specified professions and section 44AE goods-carriage business are outside section 44AD.
For Fish Farming & Aquaculture Businesses, presumptive taxation—where legally available—changes how profit is computed, not the need to prove gross receipts. Keep invoices/contracts, bank/UPI/platform statements, GST records and TDS credits, and compare the deemed margin with the actual cost structure before opting in.
GST position
Fresh/unprocessed fish may have different GST treatment from processed/packaged products and aquaculture services. Use product-level classification and distinguish goods from service receipts.
The GST threshold test for Fish Farming & Aquaculture Businesses must follow the actual mix of goods and services and the State/registration facts. Many service businesses work with the general ₹20 lakh framework, while eligible exclusive suppliers of goods can have a higher notified threshold; lower/special thresholds and section 24 compulsory-registration situations can override the headline number. The sector-specific supply classification above should therefore be checked before relying on turnover alone.
TDS, AIS and Form 26AS
Wholesale buyers may not ordinarily deduct TDS on simple goods purchase, but contracts/services can. Reconcile harvest quantities, stock and cash sales.
For Fish Farming & Aquaculture Businesses, perform a three-way bridge between books/invoices ↔ bank/platform/principal settlements ↔ AIS/26AS/TDS certificates. A difference is not automatically an error, but timing, GST, advances, credit notes, reimbursements, foreign exchange or payer misreporting should be identified rather than left as an unexplained plug.
Expenses under regular computation
Common costs, when genuinely incurred for earning business/professional income and supported by evidence, include:
- seed/fingerlings
- feed
- pond lease/maintenance
- electricity/aeration
- labour
- medicines/testing and mortality control
For Fish Farming & Aquaculture Businesses, an expense is not deductible merely because it appears in the business bank account. Personal/private use, income-tax, penalties, unsupported cash outgo and costs lacking business nexus require separate treatment; durable equipment/assets may need capitalisation and depreciation rather than an immediate 100% claim.
Books of account and tax audit
For Fish Farming & Aquaculture Businesses as a business, FY 2025-26 section 44AB generally uses a ₹1 crore audit threshold, increased to ₹10 crore where both cash receipts and cash payments satisfy the 5% conditions. Where a valid section 44AD position is chosen, the presumptive rules and any lower-profit consequences must be tested separately rather than applying the audit threshold mechanically. For this vertical, books should be capable of reproducing produce/livestock activity records, sales, input costs and evidence separating agricultural land activity from business operations. From tax year 2026-27, section 63 of the Income-tax Act, 2025 carries the tax-audit framework forward, with the prescribed Form 26 reporting architecture; section 62 governs books.
Even where Fish Farming & Aquaculture Businesses stays below a tax-audit threshold, the books should still be strong enough to reproduce turnover, receivables/advances, major expenses and tax credits from source records. Statutory minimums are not a substitute for an evidentiary trail when GST, TDS, cash collections, inventory or client money is involved.
Revenue-stream tax and evidence map
Different receipts in the same business can create different reporting questions. Use this map as a control, not as a substitute for reading the underlying contract.
| Revenue stream | What to verify before filing |
|---|---|
| sale of farmed fish/shrimp | Trace the gross contract/invoice value separately from TDS, marketplace or agent deductions. |
| fingerling/hatchery receipts | Keep the agreement/order and identify whether this is own revenue, reimbursement, royalty/licence, goods sale or pass-through collection. |
| pond/service contracts | Map the receipt to the correct financial year using invoice, performance/delivery and advance/credit-note evidence. |
| processing/packing where undertaken | Reconcile the customer statement with bank settlement and GST treatment; do not let a net remittance redefine gross turnover. |
| subsidy/grant receipts subject to specific tax treatment | If this stream has a different GST/TDS character from the core activity, maintain it as a separate ledger rather than blending it into one sales code. |
Expense substantiation: what evidence should exist?
- seed/fingerlings: retain vendor invoice + payment proof; document business nexus and separate personal/private use where relevant.
- feed: retain contract/work order + invoice; document business nexus and separate personal/private use where relevant.
- pond lease/maintenance: retain asset/usage record where capital or mixed-use; document business nexus and separate personal/private use where relevant.
- electricity/aeration: retain project/customer linkage + payment trail; document business nexus and separate personal/private use where relevant.
- labour: retain periodic statement/ledger reconciliation; document business nexus and separate personal/private use where relevant.
Keep the evidence that proves what came from cultivation/land and what came from animal husbandry, processing, trading or services. The ITR agriculture-family code does not decide section 2(1A).
Worked example
Assume FY 2025-26 gross receipts/sales of ₹52.00 lakh and documented operating costs of ₹38.50 lakh before further tax adjustments.
| Particular | Amount |
|---|---|
| Gross receipts / sales | ₹52.00 lakh |
| Illustrative documented operating costs | ₹38.50 lakh |
| Illustrative accounting profit before tax adjustments | ₹13.50 lakh |
This is not a final tax computation. Depreciation, stock/WIP, disallowances, GST, TDS, personal-use allocation and presumptive-tax choices can change taxable income.
Sector-specific control file
Before filing, keep a short year-end evidence file containing:
- Fish Farming & Aquaculture Businesses monthly gross sales/receipt bridge
- bank/UPI/card/platform/principal settlements for sale of farmed fish/shrimp
- GST turnover bridge by taxable/exempt/non-GST stream where relevant
- AIS/26AS/TDS mapping to customer/payer and invoice
- customer/vendor ledger ageing and advances
- asset/depreciation schedule for seed/fingerlings
- major contracts/licences/registrations supporting fingerling/hatchery receipts
- year-end stock/WIP/client-money or activity register appropriate to Fish Farming & Aquaculture Businesses
For Fish Farming & Aquaculture Businesses, the objective of this control file is to let a reviewer move from the tax return back to the commercial evidence without guesswork. If one bridge cannot be reproduced, fix the books before changing the tax figure to make the return balance.
Common mistakes
- calling fish-farming income agricultural solely because the ITR code begins 02
- not recording mortality/harvest yield
- mixing fish processing with farm sales
- ignoring pond lease and capital-equipment treatment
- choosing an ITR code from a secondary blog instead of the current official schema
- treating TDS as an expense instead of a tax credit
- assuming GST turnover and income-tax turnover must always be identical without preparing a reconciliation
- showing a professional review date that did not actually occur
Practical filing checklist
- map sale of farmed fish/shrimp and other receipts to the correct income head
- document why 02003 / 02006 is the appropriate AY 2026-27 activity code
- apply the correct presumptive/special-rule test for Fish Farming & Aquaculture Businesses before choosing ITR-4
- reconcile sale of farmed fish/shrimp to bank/platform/GST/TDS evidence
- separate capital treatment for items such as seed/fingerlings from routine revenue costs
- check books, tax-audit, advance-tax and GST-registration requirements using actual figures
- retain direct official sources plus a note resolving the key risk: calling fish-farming income agricultural solely because the ITR code begins 02
Frequently asked questions
Which ITR is usually relevant for Fish Farming & Aquaculture Businesses?
For an individual/HUF using regular business/professional computation, ITR-3 is the usual starting point. ITR-4 is available only where a valid presumptive scheme and all form-level eligibility conditions are satisfied; entity forms differ for companies/LLPs.
What AY 2026-27 business/profession code should be considered?
The official ITR-3 schema describes 02003 / 02006 as Fish farming / Other fish-farming activity n.e.c.. If the taxpayer carries more than one material activity, document why the chosen code represents the dominant activity rather than selecting a convenient code for tax treatment.
Can presumptive taxation be used?
Potentially under section 44AD if Fish Farming & Aquaculture Businesses is an eligible business, the taxpayer/entity qualifies and turnover/cash conditions are met. Commission/agency and specified-profession streams must be carved out.
Is GST determined by the income-tax business code?
No. The ITR code classifies the income-tax activity; GST follows the actual supply, exemption/rate entry, aggregate-turnover and registration/place-of-supply rules. For Fish Farming & Aquaculture Businesses, the sector-specific GST discussion above should be applied transaction by transaction.
What records matter most if the return is questioned?
Keep evidence for the largest revenue stream (sale of farmed fish/shrimp) and the largest recurring cost (seed/fingerlings), along with bank/UPI settlements, invoices and year-end ledgers.
What is one avoidable filing error?
A recurring risk is calling fish-farming income agricultural solely because the ITR code begins 02. The return should reconcile the commercial documents before the tax form is finalised.
Does the Income-tax Act, 2025 change AY 2026-27 filing?
No. AY 2026-27 still reports FY 2025-26 under the Income-tax Act, 1961. The 2025 Act applies from 1 April 2026 for tax year 2026-27, so it matters for current-year planning rather than rewriting the law applicable to FY 2025-26.
Relevant Finin2min tools
- ITR Form Selector
- Tax Audit Checker
- Presumptive Tax Calculator
- GST Registration Checker
- TDS Calculator
- Income Tax Calculator
- GST Calculator
- Advance Tax Planner
- Income Tax by Business & Profession hub
Primary sources
- AY 2026-27 ITR downloads and form eligibility
- Official ITR-3 AY 2026-27 JSON schema — Nature of Business codes
- Income Tax Department — ITR-4 (Sugam) AY 2026-27 FAQ
- Income-tax Act, 1961 — section 44AD
- Income-tax Act, 1961 — section 44AB
- Income Tax Department — 2025 Act transition / presumptive taxation FAQ
- Income-tax Act, 2025 — section 58 presumptive taxation
- Income-tax Act, 2025 — section 62 books / specified profession
- Income Tax Department — Form 26 / section 63 tax audit FAQ
- CBIC — CGST Act, 2017
- CBIC — GST goods and services rates
- CBIC — GST sectoral FAQs / registration overview
- Income-tax Act, 1961 — section 2(1A) agricultural income
- Income-tax Act, 2025 as amended by Finance Act, 2026
Disclaimer: General educational information only. Business-code selection, presumptive eligibility, GST registration/rate, TDS, agricultural-income treatment and deductions depend on actual facts, entity, State, turnover, contracts and the law applicable to the relevant period. Verify the current official form/notification before filing.