Sources said directions in this regard have been issued to the CWG Organising Committee, MCD, NDMC, DDA, PWD and Central Public Works Departments among others.
Chief Vigilance Officers (CVOs) of all these departments have been asked to immediately comply with the directives and supervise the process, they said.
"It was taking lot of time for our investigators to go to every department and collect documents related to the probe. Hence, we decided to use Information Technology and provided user name and password to CVOs for our official website to upload contract details.
"The exercise will save time and bring transparency. Later, we may open these tender details to public domain," a CVC official said.
CVOs have been directed to give details of each and every contracts executed by them in the run up to the CWG held here in October last year.
The anti-corruption watchdog is investigating over 30 complaints of alleged corruption and criminal conspiracy in the projects carried out by several government departments.
Prime Minister Manmohan Singh had also on October 25 last year appointed a High Level Committee to enquire and report financial and managerial lapses within three months.
The Committee is headed by former CAG V K Shunglu and Former Secretary of Department of Personnel and Training Shantanu Consul is the member of the panel.
Projects done by MCD, NDMC, DDA, PWD, CPWD, RITES, Sports Ministry, Urban Development Ministry and OC among others are under the scanner of enforcement, investigation and vigilance agencies for alleged bungling.
Meanwhile, OC chairman Suresh Kalmadi and Secretary General Lalit Bhanot have been removed from their posts to ensure impartial multi-agency probe into these charges.