[About us]

We are authorized sales, service and spares dealer for Greaves Power DG sets (5kVA TO 1250 kVA), based in Kolkata, West Bengal.

We also do Service / Maintenance of Multi Brand DG sets i.e. Cummins/ Mahindra/Eicher/ Kirloskar/ Leyland etc.

Unitrade International has been established in 1981 & associated with Greaves Cotton Limited since 1990. We are experts in DGsales, diesel generator / fire engine service, AMC of DG, engine repairing, spare parts and installation with erection and also specialize in offering PREOWNED DG SETS with warranty.

Power Solutions for Different Sector





Petrol Pump




State govt Sector

Central Govt. Sector

Central Govt. Sector

Petrol Pump


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DG set under our AMC
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Experience Year
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Happy Client

[SINCE 1990]

Experience In Business

We are authorized sales, service and spares dealer for Greaves Power DG sets, based in Kolkata.

[Our Clients]


Mr. Siddharth Basu (Electrical Engineer) KPC Medical College, Jadavpur, Kolkata.

Authorized Dealer of Sales, Services and spare parts of Greaves Power DG set. They Supply genuine spare parts of Greaves for repairing purpose. Their rates are competitive in the market and we are satisfied with their rate. They maintained the AMC schedule properly. Fast response from Unitrade International Team.

Mr. Atanu Bhadra (Officer Administration) EXIDE Industries Ltd., Kolkata.

Very Client Friendly Company. Prompt response against complain. Good Technicians and very quickly diagnose the problem and solve it. Rates are affordable. We are very satisfying with their service.

Mr. Niladri Shaker Kabasa (Executive Maintenance) G.D. Hospital, Kolkata

Very good client support. Fast and Prompt delivery of spare parts. Genuine and quality spare parts supplier. Response time is very fast. Problem detection and their ability to resolve the problem is very good.

Mr. Ranjan Chakraborty (Senior Manager-Electrical) Shrachi Group, Kolkata

Unitrade Team is very good and they work hard and solve our problem. They are truly looking out for customer’s best interest. We recommend every one for DG Service, AMC and Spare Parts.

    [Update News]