The vigilance unit of the CPWD is responsible for vigilance in the organization under the general superintendence of the Central Vigilance Commission, the apex organization of the Government of India that controls anti-corruption measures and probity in public life. The vigilance unit is headed by the Chief Vigilance Officer who has a three-fold function

1. To act as an adviser to the DG, CPWD in all matters pertaining to vigilance
2. To provide a link between CPWD and the CVC on the one hand and between CPWD and the CBI on the other hand and
3. To collect intelligence about the corrupt practices committed or likely to be committed by the employees of CPWD, investigating or causing an investigation to be made into verifiable allegations reported to him.