About Simplex Infrastructures Limited

Simplex Infrastructures Limited is a diversified engineering, procurement, and construction (EPC) company with a distinguished legacy spanning over a century since its establishment in 1924. Headquartered in Kolkata at “Simplex House,” 27 Shakespeare Sarani, the company specializes in delivering end-to-end contracting solutions—from design and planning to construction and project delivery—across a broad spectrum of civil engineering and infrastructure sectors. Simplex is an ISO 9001:2015 certified organization, reflecting its commitment to quality management, operational excellence, and client satisfaction.

The company’s diversified portfolio encompasses ground engineering and piling; industrial facilities for cement, metals, petrochemicals, refineries, and fertilizers; power generation and transmission (thermal, nuclear, and hydel); housing and urban development; transport infrastructure including roads, railways, flyovers, and bridges; marine works; and water and waste management systems. With a proven track record of executing over 3,000 projects domestically and internationally, Simplex has built a reputation for managing complex, large-scale projects across diverse geographies and engineering disciplines.

Simplex operates with a global footprint through its group entities, including seven subsidiaries located in the United Arab Emirates, Libya, and Bangladesh, as well as a joint venture in Bahrain and an associate entity in Oman. These international operations reflect the company’s experience on projects of national and international significance. As of March 31, 2025, the company employed 726 permanent staff members across its operations. The latest reporting year marked the company’s centenary celebrations alongside the submission of its One Hundredth and Seventh Annual Report—a testament to continuity, resilience, and strategic transformation in response to evolving market dynamics.

Key Milestones of Simplex Infrastructures Limited

• 1924 – Establishment of Simplex Infrastructures Limited as one of India’s pioneering civil engineering contractors.
• 1950s–1990s – Execution of major infrastructure projects across India, including dams, bridges, industrial plants, and power facilities.
• 2000s–2010s – International expansion with subsidiaries in the Middle East, Africa, and South Asia; diversification into urban infrastructure and water projects.
• 2024–25 – Celebrated centenary year and completion of the holistic restructuring programme, including balance sheet reset, equity infusion, and operational realignment for sustainable growth.
• 2025 – Secured new orders worth approximately Rs 650 crore and increased order book to around Rs 1,700 crore, reinforcing business momentum.

Simplex Infrastructures Limited Business Verticals and Geographic Presence 

Business Verticals:

• Ground Engineering and Piling – Specialized foundation and geotechnical services for infrastructure and industrial applications.
• Industrial Construction – Turnkey projects for cement, metals, petrochemicals, refineries, and fertilizer plants.
• Power Generation & Transmission – EPC services for thermal, nuclear, and hydroelectric power plants, along with transmission systems.
• Housing & Urban Development – Residential complexes, townships, and related urban infrastructure projects.
• Transport Infrastructure – Construction of roads, railways, flyovers, bridges, and metro systems.
• Marine Works – Port development, jetties, breakwaters, and coastal infrastructure.
• Water & Waste Management – Water supply, sewerage systems, and waste treatment facilities.

Geographical Presence:

• India: Primary market with project execution across multiple states and sectors.
• International Operations: Subsidiaries in the United Arab Emirates, Libya, and Bangladesh; joint venture in Bahrain; associate entity in Oman.

Simplex Infrastructures Limited Key Management

• Rajiv Mundhra – Chairman
• S. Dutta – Whole-time Director & Chief Financial Officer
• Samiran Kumar Bhattacharyya – Whole-time Director (w.e.f. August 13, 2025) & CFO (w.e.f. September 1, 2025)
• Pratap Kumar Chakravarty – Independent Director
• Indira Biswas – Independent Director
• Dr. Dinabandhu Mukhopadhyay – Independent Director
• Shamik Das Gupta – Non-Executive Director
• Gurumurthy Ramanathan – Nominee Director (w.e.f. March 28, 2025)
• Subrata Kumar Ray – Independent Director (w.e.f. March 28, 2025)
• Banwari Lal Bajoria – Sr. Vice President & Company Secretary

Latest Updates on Simplex Infrastructures Limited

• Debt Resolution: Simplex completed a comprehensive debt restructuring programme through the National Asset Reconstruction Company Limited (NARCL) and other lenders, significantly strengthening its balance sheet and providing a stable financial foundation for future operations.
• Equity Infusion: The company raised Rs 423.66 crore through a private placement of equity shares and convertible warrants, aimed at enhancing working capital, accelerating project execution, and supporting strategic growth initiatives.
• Operational Reboot: Implemented modern project management systems with tighter execution controls and leadership realignment to improve agility, operational efficiency, and project delivery performance.
• Business Development: Secured new orders valued at approximately Rs 650 crore during FY 2024–25, lifting the consolidated order book to around Rs 1,700 crore as of March 31, 2025, reflecting renewed market confidence.
• Strategic Focus: Positioned for selective pursuit of EPC opportunities in high-potential infrastructure sectors, supported by digitization, engineering excellence, and improved financial discipline.
• Centenary Milestone: Marked 100 years of operations in 2024 with the submission of the One Hundredth and Seventh Annual Report, reinforcing the company’s continuity and transformation commitment.