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    Since 1985

Sigma Trainers and Kits
(More than 7000 Products - Biggest in Training Industries)

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About us


The company was setup in the year 1985 for manufacture of Electronic Trainers used for Technical Education and Training in all Engineering colleges, Diploma colleges, Industrial Training Institutes, Vocational And Training Centers setup by Government and Industrial sectors all over the country.

The company is a rapidly growing, Professionally managed organisation engaged in design and manufacturing of electronic trainers under Brand name "SIGMA" using state - of - art technology. In a short span of time it has carved a niche in the technical education & training center by producing high performance products with unique features. Here is Company Profile

The Company has been promoted by Prof. D. R Luhar an Engineer - M Tech. (Electronics & Communication), a Gold Medalist, from IIT Mumbai with First Rank in JEE in 1981. He has about 34 years of experience in teaching, design, manufacturing and quality control of electronic equipments. He is still a visiting professor in some of the leading Technical Institutes in the country and abroad. 
Bio-Data of Dr. Luhar (Director)

We are equipped with modern production, quality assurance and R & D facilities. Our products have undergone specification compliance tests at ERTL. The promoter of the unit is directly involved in the R & D activities of the company.

Product Design And Unique Features
Based on our in-depth knowledge of teaching and interaction with the technical students, Lab Instructors, Professors etc., we had designed and introduced for the first time in India, a unique concept of Single Large PCB with faults creating facilities.Any number of faults can be simulated by the students without any damage to PCB. The unique features of our products are:
- Single PCB technology with section wise circuit explanation.
- All parts soldered on single Pin Tags for easy replacement of components.
- Fault creating facility by removing jumpers / changing components.
- Easy identification of parts / components for measurement of voltage / waveforms
- Detailed Training manual with Practicals

Our Clients
The company has already supplied electronic trainers to most of the leading Educational and training Institutions in the country directly as well as through DGS&D, Department of Electronics, / Ministry of Labour (DGE&T), State Directorate of Technical Educations & Industrial Trainings and other Government / Defence / Naval / Private Training Centers.

Some of Our Important Customers are:

  • Engineering Colleges

  • Polytechnic Colleges

  • ITIs

  • Technical Classes

  • University Colleges

  • Science Colleges

  • Indian Navy Service

  • Military Colleges

  • Air Force Colleges

  • Government Technical Schools

  • Government Testing and Training Centers

  • IIIT

  • Regional Engineering Colleges (REC)

  • ETDC

  • CEDTs

  • TTTI and many more...


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Product Catalog 2022

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ISO Certificate

CE Certificate

MSME Certificate

GEM Registration

IEC Certificate

GST Certificate

Registered Office :

Sigma Trainers and Kits

E-113, Jai Ambe Nagar,

Near Udgam School, Thaltej,


Mobile  :  +91- 9824001168 -
                     Call after 3 PM

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GSTN    :   24AAXPL5158M4ZU