+91 33 2534 6105 cotrinayani@yahoo.com 44F, Hari Ghosh Street, Kolkata-700006
Founded
Since 1950
Specialisation
Electrical Contracting
Sectors
Industrial & Commercial
Reputation
Trusted Across India
Image
Industrial Experts

We are Industrial Experts

A reputed and successful company, Trinayani Group has emerged as a pacesetter and leader in the Electrical Contracting & Maintenance field. We have been serving the industry since 1976 and have executed several turnkey electrification projects for industrial, commercial and residential projects across LT and HT power systems with a steadfast focus on quality and reliability.

About Us
What We Do

Our Core Services

Comprehensive electrical solutions delivered with technical precision, seasoned expertise, and an unwavering commitment to quality.

Electrical Services

Full-spectrum electrical work from system renovation, retrofitting, and troubleshooting to high & low voltage cabling and maintenance.

  • Electrical System Renovation
  • Lighting Refurbishing & Retrofitting
  • High & Low Voltage Cabling
  • Manufacturing Facility Maintenance

Design Services

Engineering-level design support from AutoCAD drawings to power system studies and energy optimisation solutions.

  • AutoCAD Engineering Drawings
  • Building Information Model (BIM)
  • Short Circuit Analysis
  • Power Factor Analysis & Correction

Preconstruction Services

Expert pre-project planning, estimating and scheduling to ensure your electrical projects start on the right footing.

  • Electrical Budgeting & Estimating
  • Electrical Design Assistance
  • Project Scheduling
  • Electrical Cost Analysis
Who We Are

The Trinayani Group

A reputed and successful company, Trinayani Group has emerged as a pacesetter and leader in the Electrical Contracting & Maintenance field since 1950.

Group Entity

Trinayani Electric Co.

Electrical Engineers & Govt. Licensed Contractor (LT & HT). Listed with CESC Ltd. the largest private sector Electrical distribution company in West Bengal.

250+
Employees
1976
Est.
LT&HT
Licensed
Learn More
Group Entity

Crystal Enterprise

Involved in various contractual and telecom-based projects in the electrical and communication domain. Registered vendor at CESC Ltd.

25+
Employees
2003
Est.
OFC
Telecom
Learn More
Group Entity

Trinayani Engineering Co.

The company is involved in various contractual Electrical & Renewable Energy Projects and related works in the Renewable/Electrical Projects and maintenance domain.

45+
Employees
2018
Est.
EPC
Solar & Ren.
Learn More
0 +
Years of Experience
0 +
Projects Completed
0 +
Happy Clients
0
Group Companies
Our Work

Notable Projects

From turnkey substation installations to pan-India telecom cabling a glimpse of the projects that define our expertise.

Why Trinayani

Built on Expertise & Integrity

70+ Years Legacy

Founded in 1950, our heritage sets us apart in every project.

A Trusted Legacy

Three generations of the Paul family have shaped the Trinayani Group into an industry benchmark.

Learn More →
Expert Team

Qualified engineers, supervisors & skilled technical workforce.

Skilled Professionals

Every project is led by experienced Electrical Engineers with deep domain knowledge and a passion for precision.

Meet the Team →
Turnkey Solutions

From concept to commissioning complete project ownership.

End-to-End Delivery

We handle the full project lifecycle: design, procurement, installation, testing and handover all under one roof.

View Services →
Quality Assurance

Stringent standards maintained across every stage of execution.

Uncompromised Quality

Our reputation is built on delivering excellence with the right materials, testing equipment and a quality-first mindset.

Get in Touch →
Our Advantage

What Makes Us Different

01
Experienced Leadership
Led by Shri Asish Paul a Mechanical Engineer with corporate experience at RPG Netcom, Spencer's Retail & Aditya Birla Retail our management brings multi-industry insight to every project.
02
Full Erection Capability
We maintain our own fleet of Erection Tools, Tackles and Testing Equipment ensuring complete project self-sufficiency without delays.
03
Rotary & Industry Networks
Our directors are active members of Rotary International, Bengal National Chamber of Commerce & Calcutta Management Association, reflecting our commitment to professional ethics.
Industrial Electrical Work
Our Clients

Trusted by 54+ Clients

From India's largest utilities and telecom giants to heritage clubs and hospitality brands our client portfolio spans every major industry sector.

See All Clients
CESC Ltd W.B.S.E.D.C.L. The Tata Power Co. Reliance Jio Infocomm Indus Towers Ltd. Tata Communications Ltd. Eveready Industries Siti Cable (ICNCL) East Bengal Club The Lake Club Ltd. The 42 Garden Reach Shipbuilders Calcutta International School WBSEDCL TATA Power EV Hathway Cable & Datacomm Ltd.
Our Partners

Trusted by Industry Leaders

Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo
Partner Logo

Looking for Quality & Affordable Services for Your Next Project?

A reputed and successful company Trinayani Group has emerged as a pacesetter and a leader in Electrical Contracting & Maintenance.