Greater Noida General Manager (property) Ravinder Singh's residence was raided, police said.
The residences of Greater Noida GM (projects) S S A Rizvi and Greater Noida GM (finance) Lalit Vikram were also raided, they said.
The homes of two builders and Noida Authority Accounts Officer were also raided in Noida, they said, adding, the raids were on till late evening.
