Traffic movement will be suspended for 30 minutes, from 2.15-2.45 pm on Sunday, around Supertech's twin towers in Noida, where a test blast would be carried out around 2.30 pm. The area will be cordoned off by police. "Traffic movement will be restricted from ATS junction to Gejha Phool Mandi and from Eldeco Chowk to Sector 108," an inspector said.