This directorate is the first and pioneer construction wing of the Public Works Department. Since the inception of the Public Works Department this directorate has existed. Most of the pre independence roads, bridges and buildings are under the control of this directorate and development, up gradation, improvement and maintenance of the said roads, bridges and buildings are the basic responsibility of this directorate.

The Social Sector and Electrical Wing of the Public Works Department are under this directorate.

This directorate is dedicated

• To make durable roads by adopting modern techniques guided by the latest code of practice and ensuring compliance with environment friendly considerations.
• To improve/ upgrade roads, to construct new bridges/ ROBs/ Flyovers/ Government Buildings of own and other departments like Sports complex, Stadiums, Universities, Electric Crematoria under Baitarani Scheme of the State, Hospital Buildings, Fire Stations and maintenance of them
• To augment capacity of the roads by widening & strengthening of the roads.
• To improve road connectivity by at least 2 lane roads between (a) all adjacent district headquarters, (b) within a district, from district headquarter to the Administrative sub division headquarters and (c) within a district, from one Administrative sub division headquarter to another sub division headquarter.
• To ensure road safety by improving the existing road geometry and by providing adequate traffic safety measures.
• To rectify black spots by adopting traffic calming measures for eliminating the road accident and to provide smooth and uninterrupted traffic flow.
• Health monitoring of the existing bridges.
• To rehabilitate/ replace the old dilapidated/ weak bridges.
• To rehabilitate Government Buildings of own and other departments of the State.

Maintenance of a number of Heritage Structures is the responsibility of this directorate.

A number of sound and expert Civil Engineers are working under this directorate to improve, upgrade and maintain the infrastructure of the State.