§1What this business is

You buy transformers, relays, circuit boards, meters and cabinets, assemble them into 250 VA and 500 VA stabilisers, test each unit and pack it. It is light assembly work with simple test equipment. Buyers are electrical and electronics shops and households that own costly appliances.

Capacity: 3,000 stabilisers a year in one shift: 2,400 of 250 VA and 600 of 500 VA.

§2Is it right for you?

Who it is for

An electrician or electronics technician who knows local dealers.

Who it is not for

Someone with no electrical knowledge who cannot test and repair units.

Advantages

  • Small machinery cost — mainly test meters and hand tools
  • Frequent voltage swings keep demand steady in towns and villages
  • Simple assembly that a trained technician can learn quickly
  • Can grow into UPS and inverter assembly later

Drawbacks

  • Crowded market with many local and branded makers
  • Components such as transformers and relays rise in price with copper and steel
  • Buyers compare on price, so margins can be squeezed
  • Faulty units come back as warranty claims

Skills you need

  • Reading circuit diagrams and soldering
  • Testing with multimeter and megger
  • Buying components at the right price
  • Dealer sales and after-sales service

Why difficulty 2/5: Low machinery cost and simple assembly, but you must compete on price and quality.

§3Market

Who buys

  • Households with TVs, fridges and other costly appliances
  • Shops, clinics and offices with electronic equipment
  • Electrical and electronics retailers

How it sells

  • Electrical and electronics dealers
  • Direct sale in the local market
  • Repair shops that also sell stabilisers

Good to know

  • The report links demand to the growth of consumer electronics, which it says is about one third of India's electronics production.
  • It suggests using common test facilities at Electronics Test & Development Centres (ETDCs) and Electronic Regional Test Laboratories.

§4Raw material & machinery

ItemQtyCost
Multimeter3₹9,000 (₹3,000 each)
Auto-transformer 0–300 V, 10 A3₹18,000 (₹6,000 each)
Test set-up with voltmeter, ammeter and wattmeter3₹15,000 (₹5,000 each)
Bench drilling machine ½"3₹15,000 (₹5,000 each)
Megger2₹16,000 (₹8,000 each)
Electrificationlump sum₹15,000
Tools, jigs and fixtureslump sum₹15,000

From: PMEGP sample project report — Automatic Voltage Stabilizer (prepared by Udyami/Samadhan)

  • Transformer₹500 per 500 VA set; ₹180 per 250 VA set
  • Fibre box and chassis₹120 per 500 VA set; ₹90 per 250 VA set
  • PCB with components₹80 per 500 VA set; ₹50 per 250 VA set
  • Relays (2 per set)₹70 per 500 VA set; ₹35 per 250 VA set
  • Voltmeter₹80 per set
  • Mains cord, socket, lamps, screws, insulation and packingtotal material cost ₹985 per 500 VA set and ₹516 per 250 VA set

From: PMEGP sample project report — Automatic Voltage Stabilizer (prepared by Udyami/Samadhan)

Suppliers in Building Business Bazaar

Agronic Instrument (P) Ltd · Mumbai →Amar Radio Corpn · Bengaluru →Applied Electronics Ltd · Mumbai →Bergen Associates Pvt. Ltd · Chandigarh →Bharat Electronics Ltd · Bengaluru →Continental Devices India Ltd · Delhi →Electronics Trade & Technology Dev. Corp. Ltd · Delhi →Hiprint Corporation · Delhi →Inde Associates · Bengaluru →Meco Instruments Private Limited · Mumbai →Navanidhi Electronics(P)Ltd · Hyderabad →Noble Electronics · Delhi →

§5Licences & registration

  1. Udyam registration
  2. GST registration
  3. BIS standard for the product (the report says 'as per BIS standards')
  4. State pollution board consent if your state requires it for soldering units
  5. Trade licence from the local body

We can do this registration for you

§6Schemes & subsidies

PMEGP (the report was prepared for it; own share 10% general, 5% special category), MUDRA for a loan of up to ₹20 L, and CGTMSE for a collateral-free loan.

§7Money

How the investment is worked out: Building and civil work (1,500 sq ft) ₹3.00 L + plant and machinery ₹1.03 L + furniture ₹0.75 L + pre-operative ₹0.35 L + working capital ₹5.58 L = ₹10.71 L.

Working capital: Working capital ₹5.58 L (bank finance ₹5.02 L): 30 days of components, 15 days of finished stock and debtors.

Year not printed on the report — check current machinery and raw-material prices.

How to prepare a loan file

§8Export potential

Export council / board: ESC (Electronics and Computer Software Export Promotion Council)

  • The project report prints no HS code; look up the 8-digit ITC(HS) line on the DGFT website or with a customs broker before exporting.
  • You need an Import Export Code (IEC) from DGFT before the first shipment.

§9Risks — where people fail

  • Price war with branded stabilisers
  • Rising copper and component prices
  • Warranty returns from poor components
  • Electrical safety during testing

§1030 / 60 / 90-day plan

A general plan that applies to any business. A plan for this business will be added after research.

  1. Days 1–30: Visit a working voltage stabiliser manufacturing unit, ask 10 buyers about price and quantity, and get quotations from 3 suppliers.
  2. Days 31–60: Udyam and the licences you need (Udyam registration, GST registration), a project report (DPR), and the scheme or loan file.
  3. Days 61–90: Space and machines, trial production, and first deliveries to 10 customers.

§11Who to connect with

Not verified yet

Associations, clusters and training institutes — the directory is being built. Connect

§12Watch

There is no episode on this business yet. Shows are coming soon on the Podcast page.

Want to start Voltage Stabiliser Manufacturing?

DPR, loan file or registration — ask us on WhatsApp.

Get a DPR / loan file made

Sources

  1. PMEGP sample project report — Automatic Voltage Stabilizer (prepared by Udyami/Samadhan)

Data review: 6 October 2026. Spotted a mistake? Report it. For information only — not legal or financial advice.