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For over half a century, Rai Group of Companies has been known for its commitment to excellence in the field of Marine and Captive Diesel Power Generation. Our Company has always strived to be a frontrunner in providing solutions for repair of Large Diesel Engines, of all makes.


With the objective of achieving world standards in this field, Rai Group formed a new Company, Rai Prexim (India) Pvt. Ltd in 1993, in technical and financial collaboration with Prexim Diesel spol s.r.o. of the Czech  Prexim Diesel was founded by technocrats, specialized in the business of Diesel Engines and Generators. Rai Prexim’s facilities are equipped with state-of-the-art machines, sourced from leading manufacturers, worldwide & is fully equipped with the latest  repairing  and testing equipments.  Our dedicated  factory trained and certified service engineers and technicians provide a total solution for the specilized repairing with minimum downtime  & all type of Non-destructive tests are being carried out with special calibrated instruments before undertaking any job.

At Rai Prexim, We undertake the repairing of all major Engines namely MAN B&W, Mirrlees Blackstone, Wartsila, SEMT-Pielstick, Caterpillar, Waukesha, Nigaata, Fuji, Hyundai, Skoda, Kirloskar-Pielistick, Sulzer, Deutz, SKL, MWM etc.   


Basic Information

Nature of BusinessService Provider
Additional BusinessManufacturer
Company CEOGautam Banerjee
Key CustomersIndian-RailwaysIndian Oil Corpn. Ltd.National Aluminum Co. LtdReliance IndustriesAditya Birla Group
Registered AddressPlot No. 23, Phase - 4, Udyog Vihar, Gurgaon- 122 015, Haryana, India
IndustryServices of repairing for all major Engines namely MAN BandW, Mirrlees Blackstone, Wartsila, SEMT Pielstick, Caterpillar, Waukesha, Nigaata, Fuji, Hyundai, Skoda, Kirloskar Pielistick, Sulzer, Deutz,
Total Number of Employees26 to 50 People
Year of Establishment1993
Legal Status of FirmLimited Company (Ltd./Pvt.Ltd.)
PromoterMr. Laxman Rai
Annual TurnoverRs. 25 - 50 Crore


Location TypeSEMI-URBAN
Building InfrastructurePermanent
Size of Premises10,000 square feet
Space AroundSide space

Statutory Profile

Tan No.DELR0*****
GST No.06AAACR0654A1Z1
CIN No.U74899DL1993PTC052182
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Client Satisfaction

We follow ethical business practices in our trading activities that make us one of the trusted names in the field of reconditioning of major diesel engines. Our commitment to attain maximum client satisfaction has made us a favourable choice in the competitive market. To serve our clients in the best possible manner, we stress on the following pints:


  • To understand client problems


  • To act over the problem with a best possible remedial  solution which are proven & tested


  • Repairing the Job with a bear minimum time


  • Procuring of the repairing raw materials from established vendors


  • Quality checks for optimum repairing result

Culture of Working

Our company emphasizes on the culture of work. Each job is meticulously analyzed and planned for execution, thus keeping in mind the total customer satisfaction.  Each activity is headed by experts in their respective areas and ensures perfect coordination and implementation.

The jobs undertaken by us are executed by our Engineers who are fully trained and having good work experience in all kinds of inspection and reconditioning work.  Our modern technological tools and highly precise instruments are periodically calibrated as a routine practice for authenticity of accuracy.  A key management person implements, regulates and reviews all quality aspects and production standards with competitive pricing, thus proving full satisfaction to our clients.


Plant Location Map

Plant Location Map
How to Reach Us.

Our Strengths

We have been able to gain an edge over our competitors owing to the following attributes:

  • State-of-the-art plant and machinery offering complete facilities for repair of Large Diesel Engines.
  • Countrywide offices with service backup.
  • Import/Export Expertise
  • Availability of Spare parts.
  • Un-compromised quality.
  • Valuable after-sales-service.
  • Ethical business practices.
  • Stringent quality control checks.
  • Prompt delivery.
  • Easy payment terms.



Leading Government Undertakings, Public & Private sectors like Indian-Railways, Indian Oil Corpn. Ltd., National Aluminum Co. Ltd., Reliance Industries, Aditya Birla Group, North Eastern Electric Power Corpn. Ltd., IFFCO, NTPC, SRF, NFL, Jindal Group, TATA’s, JP Group of Companies, Indumij Marine Netherlands, Techonomy, AB Sweden, Shipping Corpn. of India, and other major Shipping Companies and Original Engine Manufacturers with clients in over 10 countries.

Events & Participation

Events & Participation

Rai Prexim is regularly participating in a number of Events and Exhibitions all over India related to Power Generation and Marine Industries.  These types of  Events and Exhibitions helps Rai Prexim to understand customer problems related to Engines and is upgrading its service technology with latest advancements in the field.  Some of the Events and Exhibitions in which Rai Prexim participated are as under:



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