ABOUT US
Our Story — Built on Expertise, Driven by Vision
From One Project to a ₹100+ Crore Legacy — Building the Future with Confidence.
Company Overview
Who We Are
BK Bros Infratech & Nirman Pvt. Ltd. (CIN: U45209WB2018PTC227864) is a Kolkata-based, nationally operating civil engineering and infrastructure company, specializing in superstructure, substructure, and pile foundation works for heavy industrial and large-scale construction projects.
With over 15 years of industry expertise, BK Bros has evolved into a dynamic and multi-dimensional construction powerhouse, delivering engineering excellence across residential, commercial, industrial, and institutional sectors.
From high-rise residential towers and hospitals to industrial refineries, commercial complexes, and government infrastructure, we have successfully executed projects across West Bengal, Odisha, Chhattisgarh, and other regions nationwide.
Our growing portfolio reflects the trust placed in us by multinational corporations, reputed industrial groups, government bodies, and leading real estate developers.
At BK Bros, our strength is built on three pillars — skilled people, advanced machinery, and uncompromising quality standards. Every project we undertake is driven by precision, safety, innovation, and a relentless commitment to delivering the job right the very first time.
Today, BK Bros stands as a trusted name in India’s construction and infrastructure sector — recognized for reliability, execution capability, and engineering excellence.
Our Journey
From Strong Foundations to Landmark Growth
2009–2016
The Beginning
Started our journey with foundation and piling works using conventional methods, successfully delivering early projects across Kolkata and building a reputation for reliability and quality workmanship.
2017
A New Identity
Officially incorporated as BK Bros Infratech & Nirman Pvt. Ltd., marking the beginning of a structured and ambitious growth journey in the infrastructure and construction sector.
2018 – 2020
Rapid Expansion
Expanded operations into large-scale industrial, commercial, and real estate projects, strengthening our capabilities and client network across multiple sectors.
2021
Landmark Achievement
Successfully executed a prestigious ₹3.00 Crore piling project at the NALCO Alumina Refinery — our first major project outside the Home Town, showcasing our growing national presence and technical expertise.
2022 – 2023
Diversification & National Presence
Established a strong Pan-India presence and diversified into high-rise building construction, collaborating with prominent developers and delivering complex urban infrastructure projects.
2024
Entering a New Era
Achieved major milestones with prestigious project wins, including work with GAJA Engineering Private Limited and the IISCO Steel Plant project exceeding ₹30 Crore. Expanded into the Ready-Mix Concrete (RMC) business with a growing portfolio valued at over ₹60 Crore, reinforcing our position as a fast-rising force in the construction industry.
Chairman’s Message
Welcome to our organization.
Since our inception, our vision has been to contribute meaningfully to India’s infrastructure and development sector through quality construction, engineering excellence, and uncompromising integrity.
As a Kolkata-based construction company, we are proud to participate in projects that help shape communities, industries, and the future of our nation.
At our company, we believe that construction is not merely about creating physical structures — it is about building trust, long-term relationships, and sustainable growth. Every project we undertake reflects our commitment to quality, safety, innovation, and timely execution.
Over the years, we have earned the confidence of our clients and partners through professionalism, transparency, and consistent performance. Our strength lies in our experienced team of engineers, technical professionals, project managers, and dedicated workforce who work tirelessly to deliver excellence in every assignment.
The construction industry continues to evolve rapidly with advancements in technology, sustainability practices, and modern engineering solutions. We remain committed to adapting to these changes while maintaining the highest standards of workmanship and ethical business values.
As we move forward, our focus remains on expanding our capabilities, embracing innovation, and contributing to the development of world-class infrastructure across India. We are confident that with the continued support of our clients, associates, and employees, we will achieve even greater milestones in the years ahead.
I sincerely thank everyone associated with our journey for their trust and support. Together, we will continue building a stronger and better tomorrow.
Warm Regards,
Bijay Kumar Mahato
Chairman
Our Vision
To become a leading force in India’s infrastructure and construction sector by continuously embracing modern technologies, deploying advanced machinery, and fostering a culture of innovation, excellence, and sustainable growth — driven by a highly skilled and dedicated workforce.
Our Mission
To build enduring relationships through timely execution, uncompromising quality, and unwavering integrity. We are committed to exceeding client expectations by delivering safe, efficient, and value-driven construction solutions with professionalism, transparency, and accountability at every stage.
Our Quality Policy
At BK Bros Infratech & Nirman Private Limited., quality is not merely a process – it is the foundation of everything we build.
We are committed to:
- Delivering construction works strictly in accordance with approved standards, engineering codes, and client specifications.
Upholding our core philosophy:
- Maintaining complete transparency through systematic documentation, quality records, and traceable project evidence.
- Continuously monitoring, reviewing, and improving processes to achieve operational excellence and long-term reliability.
- Integrating Quality, Safety, and Environmental responsibility into every phase of construction activity.
Building Responsibly
Safety & Environmental Sustainability
At BK Bros Infratech & Nirman Private Limited, we believe that responsible construction is essential for a sustainable future.
We are deeply committed to preserving ecological balance and minimizing environmental impact across all our project sites. Our trained engineers, supervisors, and workforce actively implement safe and environmentally responsible construction practices to prevent pollution, reduce waste, and ensure sustainable site operations.
Safety remains our highest priority. We continuously promote a strong safety culture through training, monitoring, and strict adherence to industry safety standards – ensuring the well-being of our workforce, clients, and surrounding communities.
Through responsible engineering and sustainable practices, we strive to build infrastructure that contributes positively to society and future generations.
Adoption of all safety practices as per national standards
Zero-tolerance approach toward unsafe practices at site
Environment-first approach in all operations
Continuous training of workforce on safety protocols
Our Management Team
Performance Driven by Visionaries
Sri Bijay Kumar Mahato
Chairman
Under the dynamic and visionary leadership of its founder, BK Bros Infratech & Nirman Private Limited has emerged as a prominent name in the construction industry, earning an excellent reputation for quality, reliability, professionalism, and timely project execution. Through bold leadership, strategic planning, and an unwavering commitment to excellence, the company continues to strengthen its presence and deliver outstanding infrastructure and construction solutions across diverse sectors.
Smt. Munni Devi
Executive Partner
A skilled and dedicated administrator with expertise in HR and financial management, recognized for strong organizational abilities, efficient administration, and a diligent approach toward maintaining smooth operational functions.
Sri Ajay Kumar Mahato
Managing Director
A dynamic and result-driven business leader with over 15 years of industry expertise in managing projects from inception to completion. Skilled in project planning, scheduling, progress monitoring, cash-flow management, and client coordination, with a strong focus on timely execution, operational efficiency, and customer satisfaction. Known for effective leadership, problem-solving abilities, and delivering successful project outcomes.
Ashis Mukherjee
Senior General Manager- Project
A highly experienced civil engineer with 41 years of expertise in Government and Private Sector projects, including reputed companies like Gannon Dunkerley & Co. Ltd. and Ahluwalia Contracts (India) Limited. Experienced in planning, execution, and management of industrial, commercial, and residential building projects, with strong skills in construction project coordination, quality control, and timely project delivery.
Sri Sukdev Pan
Deputy General Manager- Project
A highly experienced and accomplished civil engineer with over 35 years of extensive expertise in the planning, monitoring, supervision, and execution of high-rise building projects. Possessing deep technical knowledge and strong leadership capabilities, he has successfully managed complex construction activities from concept to completion while ensuring quality, safety, timely delivery, and efficient resource utilization. His vast industry experience enables effective coordination with clients, consultants, contractors, and project teams to achieve excellence in every stage of construction.
Mr. Biswajit Das
Senior Accounts Officer
A highly experienced professional with 40 years of expertise as a Senior Accounts Officer, skilled in financial management, accounting operations, billing, budgeting, taxation, and record maintenance. Known for accuracy, integrity, and strong organizational abilities, he has efficiently managed financial processes and ensured smooth accounts administration throughout his career.
Mr. Sailen Kumar Ghosh
Cashier
A dedicated professional with 20 years of experience as a cashier, skilled in handling cash transactions, maintaining financial records, managing petty cash, and supporting site accounts administration. Known for accuracy, honesty, and strong organizational abilities, he has efficiently coordinated with vendors, contractors, and site teams to ensure smooth financial operations.
Mr. Dinkar Kumar Thakur
Purchase Manager & Accounts Officer
A skilled professional with 15 years of experience as a Purchase Manager and Accounts Officer, specializing in procurement management, vendor coordination, billing, and financial administration. Experienced in handling purchasing operations, maintaining accounts, and ensuring smooth material supply and financial processes with strong organizational and negotiation skills.



