About

We Deliver Infrastructure Projects

At OSD Engineers, we are dedicated to shaping the future of infrastructure through expert design and engineering consultancy.

Beyond new developments, we offer comprehensive assessment services for existing built environments and infrastructures, ensuring stability, efficiency, and long-term sustainability.

Beyond new developments, we offer comprehensive assessment services for existing built environments and infrastructures, ensuring stability, efficiency, and long-term sustainability.

Our vision is to be the leading engineering consultancy in the market—recognized for our excellence, reliability, and dedication to delivering superior design solutions. By combining technical proficiency with forward-thinking strategies, we ensure that every project we undertake contributes to a stronger, smarter, and more sustainable world. Industrial consultant to Jadavpur University on Knowledge based consultancy project and research.

About OSD Engineers

OSD Engineers formerly known as EIS Planners and Engineers is a Structural consultancy firm possessing broad expertise of in Structural Engineering across various sectors. Under the leadership of veteran structural engineer Mr.  Biswajit Som (visiting Faculty Jadavpur University) & Mr. Dipesh Chandra Barua the organisation began its journey 25 years ago. In the year 2022 OSDE was formed by Mr. Biswajit Som. We as a firm is responsible for various structural engineering tasks to ensure safe, efficient and durable structures. Starting from detailed design of broad infrastructures we also have expertise in Assessment of aged infrastructures. To corroborate our statement here’s a brief overview of the structural works involved from our project experience. 

  1. Conceptual & Feasibility Analysis – Evaluating project requirements, site conditions, and structural feasibility while considering cost, environmental impact, and regulatory compliance.
  2. Structural Design & Analysis – Using advanced modelling software to design bridge superstructures (decks, girders, cables) and substructures (piers, foundations, abutments), industrial shed structures, building structure (commercial, residential), offshore structures (long span Jetty, Dolphins, Fixed ramp/ Linkspan structures) based on load calculations, seismic considerations, and material strengths.
  3. Construction Support & Supervision – Assisting contractors with execution, reviewing structural integrity, ensuring adherence to design specifications, and addressing unforeseen challenges.
  4. Inspection & Maintenance Planning – Conducting structural health monitoring, periodic inspections, and recommending maintenance strategies to ensure long-term bridge performance.
  5. Structural Assessment & Retrofitting – Evaluating existing structures for strength, stability, and compliance, followed by reinforcement or retrofitting solutions to enhance longevity and performance.

Along with Indian standards we have expertise working with American, European, British and Australian standards.

Mission, Vision & Values

Our vision is to be the leading engineering consultancy in the market—recognized for our excellence, reliability, and dedication to delivering superior design solutions

Services Offered

+ Planning, Pre-feasibility, option study & Feasibility studies
+ DPR and Pre-tendering activities for EPC, HAM, PPP &BOT and other similar contracts
+ Detailed Design and Proof consultancy
+ Periodic inspection & supervision
+ Retrofitting, Rehabilitation and restoration of existing structures
+ Structural Health assessment & Audit
+ Bridge constructability and inspect-ability design

History

Our journey began in 1996 as EIS Planners & Engineers (Partners - Biswajit Som & Dipesh Ch. Barua), In 2021, we envolved into OSD ingineers Driven by a mission to deliver expectional design and engineering consultancy services. In 2025, we are incorporated as OSD Engineers Pvt. Ltd.

Founded in 1998 as EIS Planners & Engineers, our company has always been driven by a commitment to excellence in design and engineering consultancy. Over the years, we have evolved, expanded our expertise, and adapted to the changing needs of infrastructure development.

Under guidance of Visiting Professor Biswajit Som, Jadavpur University in 2021, we embraced a new chapter in our journey, rebranding as OSD Engineers while maintaining the same mission, vision, and core values that have defined us since our inception. Though our name has changed, our dedication to innovative solutions, sustainable infrastructure advisory, and engineering excellence remains unwavering.

Management

Biswajit Som

Chairman

Sandip Maity

Managing Director

Sohini Som

Director

Our Clientele

Our Certifications

OSDE is proud to hold the following certifications