Naranjan Singh & Sons

NARANJAN SINGH AND SONS, India's leading Diesel Power Generation Solution Company, established in 1956, has successfully been a part of this business for more than 50 years making them renowned in this business sector with the experience, technology and manpower to facilitate any energy requirements from large factories, workplaces, campuses, households to small scale business. Our association with renowned and prominent brands like Sudhir-Cummins and Jakson Kirloskar Greens has further strengthened our base in this field of business.

Our product line includes the widest range of Diesel Gensets ranging from 5-1000 KVA with generator-accessories such as Manual/Automatic Digital Panel Boards, Acoustic Enclosure , A.V.M Pads, Diesel Tanks etc.

We, since 1956, also assemble and specialize in Re-conditioned Diesel Gensets ranging from 20KVA to 82.5KVA.

Turnkey contracts and Annual Maintenance Contracts (AMC) covering electrical and mechanical services are also available.

We believe in core principles of providing effective and efficient service without compromising on the high quality standards.

Core Values

Our Mission

Our Vision

To go beyond Power Generation & the distribution equipment market with high standards for technology, integrity and professionalism.

Our team of engineers and management experts stays ahead of market trends, continually anticipating shifting customer needs and requirements. Our team draws on all the resources, skills and experience of our wider organisation and acts decisively to transform entrepreneurial ideas into successful strategies for change.

We have served some of the largest, most prestigious and demanding clients across India, including many Fortune companies.


Preventive maintenance is essential to ensure reliability and smooth functioning of your genset and If you are concerned about the same, we have a cost effective, reliable and quick solution for you.

Our annual maintenance contract ensures standard and protective maintenance. The experts are available round the clock and our professionals are there to assist whenever there is a sudden breakdown or whenever the generator needs a revamp for better functioning.


  • To ensure maximum availability and reliability of your engine/generator.
  • To maintain maximum output/fuel economy.
  • To reduce operation and maintenance cost.
  • To avoid surprise breakdown by timely scheduled maintenance.
  • To provide operation and maintenance guidelines to the operating personnel.
  • To plan in advance for spare parts requirements management of inventory.
  • To enhance reliability.


  • We provide proper guidelines of preventive maintenance & replacement schedule keeping in mind the designed parameters of each component.
  • Since our technician's visits to your plant, we monitor all parameters of engines & do trend analysis of various parameters and hence can plan forthcoming repairs in advance. Therefore, there are no surprise expensive breakdowns.
  • We also maintain complete history of engine & allied systems and keep records of various components, which are part of commissioning. Hence, at any point of time we are in a position to guide & give you a complete product support back-up.
  • Above all, a small piece of advice at appropriate time from an expert can save expensive repairs and of course precious time.

For AMC of Your Gensets
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  • Head Office
  • B - 6/8, 2nd Floor, Rajouri Garden, New Delhi - 110027

  • Branch Office
  • D - 1, Sushant Lok-2, Golf Course Road, Near Double Tree by Hilton Hotel, Sector - 56, Gurgaon - 122011

  • +91-9971990420,+91-9810047003,+91-9910047000
  • 0124 - 401 1943
  • naranjansinghandsons@gmail.com, nssgroupmail@gmail.com