Sources said that all of the 89 were employed in Korba by the Shandong Electrical Power Corporation (SEPC) and fled after the chimney collapsed at the Balco Plant in Korba, which killed at least 45 people.
The Government has issued look out notices against 89 Chinese personnel.
Five Chinese engineers have been stopped by police at Raipur airport from flying back to Kolkata. And more than 75 per cent of the rubble is yet to be cleared.
The under-construction chimney crashed amid heavy rain and lightning Wednesday, trapping over 50 workers in the debris. Police say the toll could rise as more people are feared trapped.