Once the estimate is approved by both Administrative and Technical officials, the Irrigation Department through its field officers executes the work through the registered Firm/Contractors after observing all formalities. In case of major medium scheme/project clearance from Central Water Commission (CWC) and environmental clearance has to be obtained before execution of the scheme/project.
The department has its own Inspection and Quality Control wing with its headquarter at Guwahati. This wing is under direct control of the Secretary, Irrigation to monitor the quality and progress of work from time to time and suggest necessary measures to complete the project within the scheduled time frame. This wing actually functions as the departments vigilance wing for execution of works.
The work of Monitoring is done at various stages. At field level it is done by the respective Superintending Engineers and Additional Chief Engineers. At headquarter level, for better management, schemes under various funds are monitored by Director Design, Director Design (Minor Irrigation) and Superintending Engineer, Monitoring Cell.