What is a potato starch project report?
A potato starch project report is a detailed project report (DPR) for a wet-milling unit that washes and rasps fresh potatoes, separates the starch from fibre and fruit water, and dries it to a white powder. It sets out the process, machinery, potato supply, project cost, five-year profit, DSCR and break-even a lender needs.
Entrepreneurs in potato-growing districts, cold storage owners and food processors use it to size the plant and raise a term loan; banks use it to judge whether the unit can repay.
Also known as: potato starch manufacturing plant project report, project report on potato starch, potato starch business plan, potato starch DPR.
What a bank checks in a potato starch project report
A credit officer reads a potato starch report for two things. Can potatoes be bought at the assumed price all year, and does the margin left after potatoes cover the loan? These four values from our sample report show where that test is made.
Potatoes are 90% of this. A small change in potato price or starch recovery moves profit more than any other line, so lenders ask for a sensitivity test.
The main harvest runs from February to April. Running beyond it means buying cold-stored potatoes, and the report must show where they come from and at what cost.
Debt service coverage ratio is the cash available for each rupee of loan repayment. The sample's lowest year is 1.32; many lenders look for an average of about 1.25 or more.
The share of capacity at which sales cover all costs. A thin-margin product like starch needs this well below the Year 1 operating level of 60%.
Values are the assumptions and results in our illustrative sample. Your report uses figures for your capacity, potato supply and buyers.
How much does a potato starch plant cost?
Cost depends on daily output and on how much of the fruit water and pulp you treat or recover. The middle tier is the unit in our sample report; the other two are indicative ranges.
Small unit
₹70–150 lakh
About 2–3 MT of starch per day
- Machinery₹30–60 lakh
- Shed and civil works₹20–50 lakh
- Working capital margin₹8–15 lakh
MSME term loan; PMFME subsidy up to ₹10 lakh, subject to eligibility
Mid-size unit
₹199 lakh
6 MT per day, 1,800 MT per year
- Plant and machinery₹78 lakh
- Land and building₹83 lakh
- Working capital margin₹15 lakh
Term loan ₹149 lakh (75%), promoter ₹50 lakh
Large plant
₹6–12 crore
About 15–25 MT of starch per day
- Machinery₹3–6 crore
- Protein recovery and ETP₹0.5–1.5 crore
- Land and building₹1.5–3 crore
Term loan, CGTMSE cover up to ₹10 crore for eligible units
Small and large ranges are indicative. Costs vary with location, the share of imported equipment and the effluent standard your state board sets.
Potato starch plant economics in our sample report
The sample models a 6 MT per day unit working 300 days a year. It starts at 60% of capacity, reaches 80% in Year 5 and sells starch at ₹47,300 per MT, ex-factory.
| Land and site development | 23.29 |
|---|---|
| Building and civil works | 59.84 |
| Plant and machinery | 78.14 |
| Other fixed assets | 11.25 |
| Contingencies | 6.90 |
| Preliminary and pre-operative | 4.49 |
| Working capital margin | 15.21 |
| Total | 199.12 |
| Promoter's contribution (25%) | 49.78 |
|---|---|
| Term loan from bank (75%) | 149.34 |
| Cash credit limit (separate) | 45.64 |
| Total project cost | 199.12 |
Term loan at 10.5% with a 6-month moratorium and 54 monthly instalments. All figures are illustrative.
Potato starch manufacturing process, step by step
Potato starch is made by wet milling: nothing is cooked, and the starch is freed and washed out with water. Speed matters, because cut potato browns within minutes and starch left in pulp or juice is lost.
- Destoning and washing
Potatoes pass a destoner and a drum washer that remove soil, sand and stones, which would otherwise wear the rasper and end up as ash in the starch.
- Rasping
A high-speed rasper tears the cell walls to release starch granules. A small dose of sodium bisulphite is added here to stop the pulp turning brown.
- Fruit water removal
Decanters separate the potato juice, called fruit water, which carries most of the soluble protein and sugars. Removing it early keeps the starch white.
- Fibre extraction
Rotating sieves wash the starch out of the pulp in several stages. The spent pulp is pressed and sold as cattle feed.
- Refining in hydrocyclones
A multistage hydrocyclone station washes the starch milk with fresh water and concentrates it, removing fine fibre and remaining protein.
- Dewatering and flash drying
A vacuum drum filter turns the starch milk into a moist cake, and a flash dryer dries it in seconds in a hot air stream, to about 18–20% moisture.
- Sifting and packing
Dry starch is sifted to an even fineness and packed in 25 kg or 50 kg bags, with each batch tested for moisture, whiteness and viscosity.
Potatoes and other raw materials
Potatoes decide the economics. Usually 6 to 7 kg of fresh potatoes give 1 kg of dry starch. High dry matter processing varieties, such as the Kufri Chipsona types, give more than common table potatoes. Potatoes held long in cold storage turn part of their starch into sugar, so they yield less.
| Raw material | Share of cost | Year 3 (₹ lakh) |
|---|---|---|
| Potatoes | 90% | 388.11 |
| Process chemicals (sodium bisulphite) | 10% | 43.12 |
| Total | 100% | 431.23 |
Machinery for a potato starch plant
The wet end, from rasper to hydrocyclones, is usually built in stainless steel, because the product is a food ingredient and the slurry carries sulphite. In our sample, the hydrocyclone station and the drying section each take about a quarter of the machinery budget.
| Machine | What it does | Sample cost (₹ lakh) |
|---|---|---|
| Potato destoner and drum washer | Removes stones, soil and sand | 11.72 |
| Rasper | Tears potato cells to free the starch | 15.63 |
| Decanters and hydrocyclone station | Removes fruit water, then washes and concentrates starch milk | 19.54 |
| Vacuum drum filter and flash dryer | Dewaters the starch and dries it to powder | 19.53 |
| Sifter and bagging unit | Grades the powder and fills bags | 11.72 |
| Total plant and machinery | 78.14 | |
Costs are the sample report's estimates for a 6 MT per day line. Get current quotations, including sieves and pumps, before you finalise.
Who buys potato starch in India?
Most starch used in India is made from maize or tapioca, which are usually cheaper. Buyers pay for potato starch when they need what it does better: a high paste viscosity, a clear gel and a neutral taste with no cereal flavour. That makes it a specification-led sale, built on a few steady customers rather than open-market bulk trade.
- Noodle, soup and sauce makers
- Snack coating and bakery mix manufacturers
- Paper and corrugated board mills
- Textile units for warp sizing
- Pharmaceutical and nutraceutical companies
- Starch traders and exporters
Where a new unit wins: close to the potato. Plants in potato belts, near cold stores and processing-grade growers, save freight on a raw material that is about three-quarters water and can buy surplus or undersized potatoes at harvest.
Licences, approvals and GST for a potato starch unit
| Food licence | FSSAI licence for food-grade starch. Under FSSAI's published criteria, food manufacturers above 2 MT per day need a central licence and smaller units a state licence; confirm the tier on FoSCoS |
|---|---|
| Pollution board consent | Consent to establish and to operate from the State Pollution Control Board. Starch and sago manufacturing is in the Orange category in the CPCB-based list, and the plant needs an effluent treatment plant for fruit water and wash water |
| GST and HSN | HSN 1108 13 00 (potato starch). Heading 1108 is taxed at 5% GST under the September 2025 rate schedule |
| Quality testing | Moisture, ash, protein and other tests follow the BIS methods for edible starches (IS 4706) or the buyer's specification |
| Business registration | Udyam (MSME) registration and GST registration |
| Factory licence | Under the Factories Act where worker and power thresholds apply; rules vary by state |
Mistakes that weaken a potato starch project report
- Assuming harvest prices all year
Potatoes are cheapest from February to April. Outside that window the plant buys cold-stored stock, so the report needs a seasonal price and a supply plan.
- One starch recovery figure for every variety
Table varieties and long-stored potatoes give less starch per tonne. Over-stating recovery inflates output and DSCR at the same time.
- Leaving out the effluent plant
Fruit water is high in protein and sugars and cannot be discharged untreated. Its treatment cost, land and power belong in the project cost from day one.
- No water budget
Washing, sieving and hydrocyclone refining use large volumes of fresh water. A site without an assured water source fails the bank's technical check.
- Pricing against maize starch
Potato starch earns a better price only from buyers who specify it. Sales assumptions should name those buyer types, not quote a premium on the whole output.
How NPCS helps you set up a potato starch plant
- Capacity and potato supplySize the plant to the potato you can buy in your district, through the harvest and from cold stores.
- Process and machineryCompare rasper, hydrocyclone and dryer options and get quotations for the full line.
- Bank-ready project reportProjections, DSCR, seasonal working capital and sensitivity to potato price, in your lender's format.
- Effluent and approvalsWater balance, fruit water treatment and the consent and FSSAI list for your state.
NPCS's published client list records 58 assignments in the grain milling sector, which includes starch, among them 2 on potato starch. The NPCS project team, led by founder Ajay Kumar Gupta, has prepared project reports since 1994.
What's inside the potato starch sample report
- Introduction
- Uses and applications
- Market potential
- Manufacturing process
- Raw materials
- Plant and machinery
- Land, building and utilities
- Manpower
- Licences and approvals
- Project cost and means of finance
- Working capital
- Projected profitability
- Cash flow statement
- Projected balance sheet
- Depreciation
- Term loan repayment
- Debt service coverage
- Break-even analysis
- Financial ratios
- Key assumptions
- Conclusion
- Monthly loan repayment schedule
18 pages, five-year projections, illustrative figures.
Open sample reportFree sample or a report for your project?
| What you get | Free sample | NPCS report for your project |
|---|---|---|
| Capacity and location | Typical unit | Your capacity, site and state |
| Figures | Illustrative | Built on current prices and quotations |
| Machinery suppliers and quotations | No | Yes |
| Market survey for your region | No | Yes |
| Bank or scheme format (PMEGP, term loan) | No | Yes |
| Use for a loan application | No | Yes |
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Potato Starch project report: frequently asked questions
What is the potato starch manufacturing plant cost in India?
A small 2–3 MT per day unit needs roughly ₹70–150 lakh, and a 15–25 MT per day plant with protein recovery and effluent treatment about ₹6–12 crore. Our sample report models a 6 MT per day unit at ₹199.12 lakh, with plant and machinery at ₹78.14 lakh. These ranges are indicative; your report works out the cost for your site and capacity.
How many kg of potatoes are needed for 1 kg of potato starch?
Usually about 6 to 7 kg of fresh potatoes give 1 kg of dry starch. The exact figure depends on the starch content of the variety, how long the potatoes were in storage and how well the rasper and hydrocyclones recover starch. Processing varieties with high dry matter give more starch per tonne than common table varieties.
Which machines are needed for potato starch manufacturing?
A destoner and drum washer, a high-speed rasper, decanters to remove fruit water, rotating sieves for fibre, a multistage hydrocyclone station, a vacuum drum filter, a flash dryer, and a sifter with a bagging unit. Larger plants add protein recovery from fruit water. In our sample, the hydrocyclone station and the drying section each take about a quarter of machinery cost.
Is potato starch manufacturing profitable?
In our illustrative sample, a 6 MT per day unit earns a 17% return on investment in Year 3, breaks even at 44% of capacity and pays back in about 4.3 years. Potatoes make up most of the cost, so profit depends mainly on the price you pay for potatoes, the starch you recover from each tonne and how many days a year the plant runs.
What is the GST rate and HSN code for potato starch?
Potato starch falls under HSN 1108 13 00, within heading 1108 (starches and inulin). Heading 1108 is listed at 5% GST (2.5% CGST plus 2.5% SGST) in the rate schedule notified in September 2025. Confirm the rate with your tax adviser before you invoice, because rate schedules are amended from time to time.
Can I get a PMEGP or PMFME subsidy for a potato starch unit?
Possibly, if your project fits the limits. PMEGP covers manufacturing projects up to ₹50 lakh with a 15–35% margin-money subsidy, so it suits only a very small unit. PMFME offers micro food processing units a 35% credit-linked subsidy up to ₹10 lakh. Larger units usually take an MSME term loan, often with CGTMSE cover.
Is the potato starch project report PDF free, and can I use it for a loan?
The sample is free to view and download. It is an illustrative report that shows the format and depth of an NPCS report; its figures are representative and not based on a real project, so it should not be submitted to a bank. For a loan, NPCS prepares a report for your own capacity, location, potato supply and loan scheme.
Sources and references
- Notification No. 09/2025-Central Tax (Rate), Schedule I (state copy, No. 1630-F.T.)Finance Department, Government of West Bengal, checked Oct 2026
- Eligibility and applicability criteria for FSSAI registration and licenceFood Safety and Standards Authority of India, checked Oct 2026
- Categorisation of industrial sectors under Orange as per CPCB criteriaState Pollution Control Board, Odisha, checked Oct 2026
- IS 4706 (Part 2): Methods of test for edible starches and starch products, chemical methodsBureau of Indian Standards, checked Oct 2026
- Prime Minister's Employment Generation Programme (PMEGP)District Industries Centre, Government of Puducherry, checked Oct 2026
- PMFME scheme for micro food processing enterprisesDistrict Administration, Khordha, Government of Odisha, checked Oct 2026
- Kufri Chipsona-2: a new high dry matter variety for chippingICAR KRISHI repository, Indian Council of Agricultural Research, checked Oct 2026
- Credit Guarantee Scheme for Micro and Small EnterprisesOffice of the Development Commissioner (MSME), checked Oct 2026
The NPCS project team, led by Ajay Kumar Gupta
This page and its sample report are prepared and reviewed by the NPCS project team, which has written techno-economic feasibility studies and detailed project reports since 1994.
Ajay Kumar Gupta founded Niir Project Consultancy Services (NPCS) and leads the organisation. With 40 years of experience in MSME project consulting, he has built the team that has delivered more than 28,000 project reports for clients worldwide, helping entrepreneurs plan and finance profitable manufacturing businesses.
- Published
- Last updated
- Next review
- Oct 2027
- Reviewed by
- NPCS project team
This page is reviewed every 12 months, or sooner when scheme limits, GST rates, BIS rules or pollution categories change. The sample report is illustrative: its figures are generated from industry-typical ratios for a unit of this size, checked so every statement balances, and are not taken from any client project.