Besides these officials, a sports equipment providing company Jubilee Sports Private Limited which had got the contract for laying of synthetic turf for Lawn Bowl event during the Games has also been named in the case, official sources said.
The case was registered under provisions of Indian Penal Code and Prevention of Corruption Act related to criminal conspiracy, cheating and misuse of officials position against DDA and CPWD officials and the company, sources said.
This is ninth case registered by the agency in its ongoing probe in the alleged corruption during the conduct of the Commonwealth Games last year between October 3-14, 2010.
Two serving Senior Engineers of Delhi Development Authority Umesh Kumar and N H Khan, one retired Senior Engineer Janeshwar Tyagi and four Central Public Works Department officials -- Executive Engineers Dineshwar Gaur and Surja Ram, Senior Engineer Rajendra Kala and Assistant Engineer Kailash Chand are also named in it, sources said.
"The firm has provided and laid synthetic outdoor flat Lawn Bowl Greens for Commonwealth Games 2010 in which the accused officials of CPWD and DDA allegedly inflated the costs of the contract from the estimate of Rs six crore to Rs 9.88 crore by including allegedly false amounts against its cost, transportation etc," the official spokesperson said.
The official said several incriminating documents have been recovered during the searches and investigations are still going on.
As part of exercise the agency sleuths swooped down on the DDA offices at Pitam Pura and Vikas Minar where Kumar and Khan work, CPWD offices at Major Dhyanchand National Stadium where Kala and Ram work and at Jawaharlal Nehru stadium where offices of Chand and Gaur are located, sources said.
The residence of Siddarth Kumar, director of Jubilee Sports at Noida, and another official Rajiv Sharma at Greater Kailash were also covered in the exercise. The office of company at Greater Kailash was also searched, they said.
The sleuths also searched residences of all the accused officials spread across Mayur Vihar, Sarojini Nagar, Munirka, Sahyog Vihar, Gazipur and Mehrauli.
Lawn Bowls is a core sport of Commonwealth games. This sport has been a part of all the 17 Commonwealth Games except the 1966 games at Jamaica. The event at Commonwealth Games 2010 had six competitions for men and women.