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Pre-engineered workshop for Bhaba Atomic Research Centre at Baliguri, New Town
Millennium Building for Indian Statistical Institute at Kolkata
Administrative Building for SAMEER (Department of Communication & IT , Govt. of India ) at KOLKATA.
Main Office Building of Rajlaxmi Cotton Mill at Howrah.
Ladies Hostel for Institute of Physics, Government of India at Bhubaneswar
Medical Cyclotron Centre with Structural dome for Bhabha Atomic Research Centre at Chakgaria, Kolkata
Multistoried Residential Complex at New Town, Kolkata.
Underground driveway for Indian Statistical Institute, Kolkata.


JSR INFRASTRUCTURES (P) LIMITED (JSRIPL) has a long history in construction business dating back to the year 1987.

Graduated from BENGAL ENGINEERING COLLEGE, Shibpur (Presently Known as INDIAN INSTITUTE OF ENGINEERING SCIENCE AND TECHNOLOGY) in the year 1978, Mr. Deb Kumar De, the brain, heart and soul of today’s JSR INFRASTRUCTURES (P) LTD., started proprietorship construction business in the name & style of SUBHO ENGINEERING in the year 1987 with a small capital structure after successful completion of his small service endeavor of 09 years that was started at CIVCON and finished at COAL INDIA LIMITED.

JSRIPL was formed and incorporated in the year 2007 under the Companies Act , 1956. This is an impending engineering, procurement and construction company and has been promoted by the same promoter of M/s. JSR Construction (a partnership farm) which was created in the year 2001 by Mr. De, introducing Mr. Saroj Kumar Kayal and Mr. Shankar Bhar as equal partner by engrossing M/s SUBHO ENGINEERING. Mr. Kayal is a Graduate Civil Engineer of Bengal Engineering College, Shibpur with an extensive experience of 50 years and Mr. Bhar is a Graduate Civil Engineer of Jadavpur University, holding vast experience of 25 years in the field of project engineering and management.

During the span of 30 years JSRIPL have carried out and successfully completed several prestigious projects which included Piling , RCC subway, Multistoried Buildings including high quality finishing job , Fatory Sheds , HVAC, MEP, Sesmic Upgradation, Roads, Structural & Equipment Erection of Power & Steel Plant, Industrial/Domestic Wiring , Electrical Paneling , HT/LT Cabling , Marshal Yard Commissioning , OFC Laying etc. - both in GOVERNMENT and Private sector viz. Department of Atomic Energy, Govt. of India (BARC), Department of Space, Govt. of India (ISRO), Ministry of Communication & IT, Govt. of India (SAMEER),West Bengal State Electricity Transmission Company Limited, Indian Statistical Institute, VA Tech Wabag , Rajlakshmi Cotton Mills, Cradel Pharmaceuticals, Reliance Industries and Ober etc.

By virtue of maintaining high quality, safety and on time project completion credibility, JSRIPL have succeeded in securing different types of construction contract from same client. Keeping in mind the upcoming infrastructure development in India JSR have set an ambitious target to reach business turnover of Rupees 1000 million in near future. In an endeavor of achieving the target JSRIPL have started inducting highly experienced professionals and talented young technocrats.



    Graduated from BENGAL ENGINEERING COLLEGE, Shibpur in 1966. He has over 50 years of widespread experience in Engineering, Construction, Project & Contract management, Planning and Execution of Industrial infrastructures, refinery and petrochemical, Thermal power plant, Steel plant projects all over India. He was previously with CIVCON and retired as CEO. As Diretor, Mr Kayal has proved that JSR is the high class construction service provider in front of the clientele like Depart of Atomic Energy, Department of Communication & IT and Department of Space of Govt. of India.


    Graduated from BENGAL ENGINEERING COLLEGE, Shibpur in 1978. He has over 38 years of rich experience in the field of Project, Construction and Contract management of Industrial infrastructures, Metro Rail, High Rise Building and different types of process industries. After passing out, as a Civil Engineer Mr. De served various prestigious companies like CIVCON, JD & CO., COAL INDIA LIMITED. As Diretor, Mr De has been working for this organization since initiation as brain and he is the main man to make amalgamation procedure of M/s JSR Construction with this JSR Infrastructures (P) Ltd.


    A personable and self motivated Graduate Civil Engineer of 1986 pass out batch of JADAVPUR UNIVERSITY with over 25 years experience in acquiring and executing high value civil engineering projects with well established construction companies and a track record of adherence to time and cost parameters. He has strong technical knowledge and practical experience of a wide range of construction across India in different atmospheric / climatic conditions; possesses effective leadership abilities, interacts convincingly with clients, vendors, statutory authorities and colleagues at all levels; adapts well to changed situations / environments and keeps pace with modern methodologies and materials. Currently Director with JSR Infrastructures (P) Ltd., based in Kolkata involved with negotiating new business & the successful management of construction projects; handles all aspects including planning, finance, contract negotiation & administration, client relationship, vendor / sub contractor management and techno commercial matters.